Ghost Physiology (Danny Phantom)

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==Summary==
Ghosts in Danny Phantom are entities made up of ectoplasm and reside in a different dimension known as the Ghost Zone. Some ghosts have no connection to the Human World while others are the spirits of the dead. Most ghosts seen are evil and dangerous but there are some who are good or just want to be left alone. There are also half ghosts or halfas as the ghosts call them. Half ghosts are humans who have been exposed to a large amount of ectoplasm and survived. Their DNA is altered and they gain some the standard powers of a ghost while in human form and the ability to transform into a ghost.
==Standard Ghost Abilities==
Flight: Ghosts have the natural ability to flyDanny Phantom; Season 2; Episode 4 - 5; Reign Storm.
Surface Scaling: Ghosts can walk on wallsDanny Phantom; Season 1; Episode 12; Teacher of the Year, and cling to vertical surfacesDanny Phantom; Season 1; Episode 15; Public Enemies.
Self-Sustenance (All Types): Ghosts can survive in the vacuum of space unaidedDanny Phantom; Season 3; Episode 12 - 13; Phantom Planet. They also lack real biological functions, so should not require Although, half ghosts are shown to feel fatigue which is due to their human half.
Ectoplasm Manipulation: Ghosts can manipulate their own ectoplasmic energy, with each having their own unique ectoplasmic energy signatureDanny Phantom; Season 2; Episode 8 - 9; The Ultimate Enemy. They've been shown capable of manipulating this energy in a verity of ways, including...
* Energy Manipulation: Ghost can projectDanny Phantom; Season 1; Episode 6; What You Want their ectoplasmic energy in the form of harmful beamsDanny Phantom; Season 1; Episode 5; Splitting Images and wavesDanny Phantom; Season 3; Episode 9; Frightmare, as well as other shapes and constructs like fistsDanny Phantom; Season 1; Episode 11; Fanning the Flames and armsDanny Phantom; Season 2; Episode 2; Doctor's Disorders.
* Weapon Creation: Ghosts can shape their energyDanny Phantom; Season 1; Episode 4; Attack of the Killer Garage Sale into weapons, such as swordsDanny Phantom; Season 3; Episode 2; Infinite Realms.
* Forcefield Creation and Attack Reflection: Ghosts can construct barriersDanny Phantom; Season 1; Episode 7; Bitter Reunions to protect themselves or even imprison others, these barriers have also shown the ability to reflect energy attacks back at the target.
* Aura: Ghosts can createDanny Phantom; Season 1; Episode 1; Mystery Meat an auraDanny Phantom; Season 1; Episode 13; Fright Night around themselves.
* Statistics Amplification: Ghosts can amplify their strength with their energy, mainly to enhance the powerDanny Phantom; Season 1; Episode 19; The Million Dollar Ghost of their strikes.
* Electricity Manipulation: Ghosts can use their energy to generate electricity from their hands, which Danny dubbed the "Ghost Stinger". 
* Fire Manipulation: Ghosts can cover themselves in flaming aura, project and breathDanny Phantom; Season 1; Episode 2; Parental Bonding fire, many ghosts use flamesDanny Phantom; Season 2; Episode 3; Pirate Radio for their hairDanny Phantom; Season 3; Episode 8; Boxed Up Fury that they can manipulate, some even generate flames from their footstepsDanny Phantom A Glitch in Time.
* Light Manipulation Ghosts can create energy that emits bright lightDanny Phantom; Season 2; Episode 13. Micro-Management, as well as a beam of light called a Ghost Ray.
* Heat Manipulation: Ghost can projecting beams of heat to melt objects and other entities.
* Weather Manipulation: Ghosts can use their energy to create small cyclones and causing small ecto storms and weather effects.
* Non-Physical Interaction (Spirits / Abstract Emotions): Ectoplasmic energy can be used to interact with a ghosts body while they are intangible or overshadowing an individual and remove them..
* Matter Manipulation (Molecular level) and Durability Negation: Ectoplasmic energy can affect the body on a molecular level, as stated in the intro of the show, the ectoplasmic energy from the ghost portal affected Danny's moleculesDanny Phantom Intro and in the final episode of the series, and several other ghosts affected Danny's body on the same level with their energy.
* Disease Inducement: Ectoplasmic energy is also shown capable of causing a disease known as Ecto-Acne which is supported by Maddie and Jack (who are knowledgeable on ghosts and their energy) when sick, attempted to purify themselves of "negative ghost energy" and any "viral ghosts". It's also shown that the ghost mosquitos possession made the students at Casper High sick supporting their claim.
* Telekinesis: Ghosts can use their energy to manipulate multiple objects or opponents at once by covering with their energy. 
* Limited Dimensional Travel: Ghosts can send their energy through closed off gateways to different dimensions that their ectoplasmic bodies cannot normally pass through, although with enough energy their bodies can eventually pass through it as well
Note: The dimensional travel ability also grants them limited Interdimensional range for their ectoplasmic energy when used in this manner.
Incorporeality: Ghosts lack a true tangible form. This is shown to be true, as on multiple occasions, ghosts appear as pure energy, and manifest forms for themselves. There is also evidence that shows a ghosts consciousness resides within their energy.Danny Phantom; Season 1; Episode 14; "13" We are also shown on multiple occasions that these forms can be broken down willingly or forcibly by anti-ghost technology such as the Fenton Thermos.
Abstract Existence (Type 1): Emotions; Ghosts are manifestations of real human emotions that lack true physical forms that cannot interact with the physical world or be interacted with by it naturallyDanny Phantom; Season 1; Episode 8; Prisoners of Love, requiring them to create tangible bodies that are decribed as manifestations of ectoplasmic energy and post human consciousness, in order to do so which can be willingly broken down to nothing or it's orginal state and restored if need be
Avatar Creation: Ghosts can make themselves physical forms that allow them to interact with the real world. These forms are described manifestations of their ectoplasmic energy and post-human consciousness, and the degree of which they can make themselves solid depends on what the ghosts decides. As we've seen Danny in a solid form with a skeletonDanny Phantom; Season 2; Episode 17; Kindred Spirits, but also in a ectoplasm goo like stateDanny Phantom; Season 1; Episode 16. Lucky in love that can easily split in halfDanny Phantom; Season 1; Episode 10; Shades of Gray.
* Body Control, Elasticity and Weapon Creation: Ghosts have complete control over their body, allowing them to willingly broken down to nothing or it's original state and restored if need be. They can manipulate it in various ways, such as stretching, opening holes within themselves to avoid attacks, and transform their limbs into various weaponsDanny Phantom; Season 2; Episode 1; Memory Blank.
* Additional Limbs and Duplication: Ghosts can create additional limbs by manipulating their bodies, this was shown when Danny attempted to duplicate himself by splitting his body in two. With better control, they can split themselves into two separate individualsDanny Phantom; Season 2; Episode 14; Beauty Marked.
* Regeneration (Low-Godly): Ghosts possess regeneration that allows them to recover from being bisected, reduced to puddles of goo, dust,Danny Phantom; Season 2; Episode 15. King Tuck and steam. They can manifest bodies comprised of their nonphysical energy and disembodied consciousness, and restore them if willing or forcefully broken down into their original state or destroyed. If unable to restore their form naturally, a ghost can use their nonphysical energy and consciousness to reform around a physical object or person and regain their body.
Intangibility: Contrary to popular belief, ghosts in Danny Phantom are naturally intangible. On multiple occasions, ghosts have been shown phasing through solid objects without the use of their power to turn themselves intangible. This is supported by the fact that humans passively phase through objects while in the Ghost Zone without knowing they were able to. This is due to everything being made of ectoplasm, and thus ghosts naturally phase through everything in the real world unless they decide to become physically. While physical, ghosts have the power turn their body intangibleDanny Phantom; Season 1; Episode 17; Maternal Instincts as well as spread this effect to other objects with the use of their energy. Lastly, ghosts can become a non-solid and allow things to harmlessly go through them, this being a form of element intangibility.
Invisibility: Ghosts can become invisible, and spread their energy across other objects or people and make them invisible as wellDanny Phantom; Season 3; Episode 1; Eye for an Eye.
Overshadow: By phasing into an object or another entity, ghosts can take possession of them. This grants the ghosts complete control over the target's body, allowing the ghost to physically alter their body, and transforming them into monsters or different versions of themselves. Ghosts also take control of the target's mind, as it's stated by Jack Fenton that he couldn't remember anything and that it was all a vague blur. Danny has also left suggestions inside the minds of Sam Manson's parents.Danny Phantom; Season 2; Episode 19 - 20; Reality Trip
*Limited Data Manipulation: When phasing into a computer, a ghost can merge and interact with data.
*Limited Dream Manipulation: It is also shown that Overshadowing a sleeping target allows the ghost to enter and interact with their dream.
*Limited Soul Manipulation: A ghost can remove other ghosts/spirits form a targets body, shown when Sidney Poindexter completely removed Danny from his own body.
* Corruption: Type 1; Ghosts can corrupt others through contact when they overshadow them, effecting them with their evil.
Immortality (Types 1, 2, 3, 6, and 7): Ghosts are stated by the creator of the series, Butch Hartman, in his Danny Phantom 10 Years Later Ghost Zone EditionDanny Phantom 10 Years Later Ghost Zone Edition video that they don't need to age if they don't want to. They can also recover from being bisected, reduced to goo, dust, and steam. If unable to recover, a ghost can channel their energy and consciousness into objects and reform themselves around a target wearing said object. Lastly, ghosts are treated as undead spirits, which is supported by multiple ghost backstories throughout the series.
Creation and Pocket Reality Manipulation: Combat Inapplicable; Ghosts are capable of creating their own homes/worlds using their own unique ectoplasmic energy, although the time it takes for them to preform this full act is unknown.
Absorption, Empowerment and Reactive Evolution: Ghosts possess the ability to mine emotions from others, absorbing it from a distance or direct contactDanny Phantom; Season 1; Episode 9; My Brother's Keeper. This empowers them, greatly increasing their power as well as the potency of their abilities. Their own emotions can also do the same, granting them more power and new abilities in combat when experiencing strong emotions or gaining new emotional drives.
Conceptual Manipulation (Type 1): The Ghost Zone and all ghosts are manifestations of real human emotions which predates the Ghost Zone itself as well as being the source of all ghost energy/ectoplasmic energy, with ghosts possessing the ability to mine emotions to empower themselves, retain their humanity, and very identity or will lose sight of it and become lost in the abyss
Infinite Stamina: While half-ghosts are shown with finite stamina, full ghosts in the series are portrayed as having infinite stamina throughout the series. In the episode "Secret Weapons", Maddie and Jack show off their latest invention called the Ecto Converter. This device is stated by Maddie to "convert a ghost's natural ecto energy into a constantly replenishing fuel source"Danny Phantom; Season 2; Episode 11; Secret Weapons. Vlad later states that Technus' Lightning Rod + the Ecto Converter, gives the suit a "endless power supply". Note that Technus created the Lightning Rod with his own ectoplasmic energy as we've seen him do. This device absorbs a ghosts energy and uses it as an endless source of energy. This would imply ghosts have limitless energy to give it, and we know ghosts lack real biological functions and are made up of ectoplasm which means they don't feel physical fatigue with the exception of half-ghosts.
Note 1: Butch Hartman's claim that the ghosts in the series are not the spirits of dead people is not taken as 100% fact. While there are ghosts who are just beings who reside in a different dimension, there are several who have human backstories and multiple statements that the Ghost Zone is the spirit world.
Note 2: Not every ability shown by a ghost can be preformed by another, abilities such as duplication, teleportion, and so on are some of the few that only a few ghosts have been shown capable of using, and while it's hinted ghosts can learn to do these things, there isn't enough evidence to suggest they are standard abilities a ghost has. The abilities listed above under Standard Ghost Abilities are ones that many ghosts of various types have shown throughout the series and are treated as standard abilities they would have by default given their nature as a ghost.
==Standard Ghost Resistances==
Mind Manipulation and Empathic Manipulation: Ghosts have a natural resistance to mind control and empathy manipulation. In the episode "Fanning the Flames", Ember McLain uses her music to control all the students at Casper High but Danny was unaffected and they speculate that it was due to his ghost powers. This is later proven true in the episode "Girls Night Out" where Ember uses her music to control all the females in Amity Park but Spectra and Kitty (two female ghosts) were unaffected even while being next to EmberDanny Phantom; Season 3; Episode 3. Girls Night Out. Danny was shown to be unaffected by Sayonara Pussycat's passive Mind/Empathy control that effect the entire lobby of a movie theater. Ghosts can survive attacks from other ghosts that can effect ghosts that are overshadowing others on a conscious/subconscious level.
Toxins and Diseases: Due to ghosts being made entirely up of ectoplasm, they have no biological functions and thus are immune to standard biological effects, toxins and diseases. In the episode "Doctors Disorders", Ghost Mosquito doesn't try to sting and infect Danny which he assumes is due to his ghost powers. Later in the episode, while Danny was in a hospital he is hit with knock out gas and is surprised it was effecting him and was told by Bertrand that they were not in an actual hospital. This indicates they created a special gas capable of effecting ghosts.
Sleep Manipulation: Ghosts lack real biological functions and as their bodies are actually just made out of ectoplasm/ectoplasmic energy that they can break down. It required a special gas to knock Danny unconscious while he was in his ghost form which indicates ghosts are unaffected by the normal method hospitals use to render patients unconscious.
Extreme Temperatures and Radiation: It is shown on multiple occasions that ghosts are unaffected by the harsh environment of space. In the episode "Flirting with Disaster", Technus and Danny were able to survive in space (the later of which only had a protective helmet but no protective suit),Danny Phantom; Season 2; Episode 12; Flirting with Disaster and Vlad and Danny (both had helmets) survived in space during their brief battle near Saturn. Later in that episode, Vlad is shown in deep space without his helmet and states that roaming space isn't all bad This proves they do not require helmets to survive in space, and that they could withstand the harsh elements of space without issue. Ghosts have also shown resistance to heat, being completely unfazed by the fire on their bodies and several of them use fire for their hair, which has shown the ability to burn objects, and set off explosions.
Gravity: In an interview, Butch Hartman stated that because Danny is a ghost, he's immune to the effects of gravity. This claim is supported by Danny being able to walk on walls, and in another episode Danny, and a overshadowed human could perfectly stand on a wall without falling off. However, it should be noted that this ability has to be active, as it's shown on multiple occasions ghosts fall due to the effects of gravity.
Pain Manipulation: Due to being made entirely up of ectoplasm, ghosts actually feel no pain unless it's from other ghosts, ectoplasmic energy, or anti-ghost technology. This is supported by the fact that Danny was surprised to feel pain when Valerie's blades cut him, this was due to him not knowing they were designed to hurt ghosts. Danny gets cut by a large blade in Pariah's Keep, and comments that in the Ghost Zone, ghosts can be hurt. Indicating ghosts cannot be harmed by real world things, and is supported by the fact that we've seen objects split Danny in two but cause him no pain.
Biological Manipulation, Mind, Soul and Conceptual (Type 1) Attacks: Ghosts can survive attacks from other ghosts that can effect other ghosts, said energy effects the body on a molecular level and can vaporize objects, as well as harm ghosts, which are abstract emotions.
==Standard Ghost Weaknesses==
Blood Blossoms: These are flowers with anti-supernatural properties, used by people in the 1600s as a ghost trap. They were only shown in the episode "Infinite Realms" when Jack Fenton's ancestor used them against Danny. Vlad describes them as a "primitive Spector Deflector" which is accurate as the red aura they release causes any ghost near them to feel extreme pain. However, while in their human form, half-ghosts are immune to their effects as shown when Vlad, while in human form was in their presence as well but remained unaffected.
Ecto-ranium: Appearing in the final episode of the series, it is a unique anti-ghost element found in outer space, and its effects can only be felt by ghosts. When Vlad attempted to turn a meteor made entirely of it, he felt extreme pain.
===Other Weaknesses===
Another weakness is while a ghost is in their natural state, they cannot interact with real world objects as shown in the episode "Prisoners of Love", Walker could not interact with Danny due to the fact that in the Ghost Zone, humans are considered "ghosts", as they are shown capable of passively phasing through everything despite not knowing they could do so.
If a ghost loses their emotional drive, they grow weaker and their powers gradually fade.
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==Summary==
A Half ghost, also referred to as "Halfa" is a human, who have been exposed to a large amount of ectoplasm and survived. Their DNA is altered and they gain some of the standard powers of a ghost while in human form and the ability to transform into a ghost.
Important Note: While it is stated that half ghosts have all the powers and abilities of normal ghosts while in human form, the exact degree is unknown. The list of abilities and resistances below are only of those they have shown in human form. This however doesn't mean they are incapable of using other abilities, the list simply shows what they have done without speculation.
==Standard Ghost Abilities==
Multiple Selves (Types 1 and 2): A half-ghost possess both a human and ghost half that have tied consciousness that will start to deviate depending on the users mental state and allowing one to overtake the other,and the removal of one half has no effect on the other.
Flight: Half ghosts have displayed the ability to fly.
Ectoplasm Manipulation: Half ghosts can manipulate their own ectoplasmic energy, with each having their own unique ectoplasmic energy signature. They've been shown capable of manipulating this energy in a verity of ways, including...
* Energy Manipulation: Can project their ectoplasmic energy in the form of harmful beams.
* Heat Manipulation: Their ectoplasmic energy is shown capable of generating heat.
* Light Manipulation: Can project beams of light that can reflect of surfacesDanny Phantom; Season 2; Episode 7; The Fenton Menace.
Invisibility: Capable of turning themselves invisible.
Intangibility: Capable of turning themselves and others intangible.
Possession: Can take possession of others by turning intangible and phasing into the target.
Body Control: Half ghosts can still manipulate their physical form in the same manner as full ghosts even while in human form, such as changing their lower half into a wisp or reforming their bodies from energy
Regeneration (High-Low): While in human form, despite his neck being twisted in an impossible way and broken during Poindexter's attempt to overshadow him, Danny's neck healed.
Transformation and Statistics Amplification: Half ghosts are capable of transforming into their ghost form at will, gaining more power and the standard abilities and resistances of a full ghost.
==Standard Ghost Resistances==
Biological Manipulation, Mind, Soul and Conceptual (Type 1) Attacks: Half ghosts like Danny and Vlad, have survived being hit by a large amount of ectoplasmic energy from ghost portals, said energy effects the body on a molecular level and can vaporize objects, as well as harm ghosts, which are abstract emotions.
Mind Manipulation and Empathy Manipulation: Half ghosts are unaffected by Ember McLain's music due to their nature of being part ghost.
==Standard Ghost Weaknesses==
While not displaying the same weaknesses as normal ghosts, and even being immune to most anti-ghost weaponry, half ghosts still possess an energy signature that can be tracked.
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==References==
Category:Verse-specific Powers and Abilities
Category:Danny Phantom