Mary Hamilton

Dr. Mary Hamilton is the tritagonist of the TV series, .
Mary serves as a supporting protagonist in the first and second seasons of Batwoman, but she later becomes the secondary antagonist/anti-heroine in the third season.
Mary is also a medical doctor, a member of Bat Team, the daughter of the late Catherine Hamilton, the step-daughter of Jacob Kane, and the step-sister of Kate Kane and Beth Kane.
After being infected; by one of Pamela Isley's vines, Mary was turned; into a meta-human; who possesses plant-based powers; becoming the second Poison Ivy.
Mary is portrayed by .
==Biography==
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==Personality==
===As a civilian===
Mary is very excitable, talkative, friendly, and kind of a social butterfly; she is described as her step-sister Kate Kane's polar opposite, with one of Kate's trainers dubbing her as "Girl Who Talks Too Much". Despite coming off as a ditzy socialite, Mary is a very kind-hearted individual who will go to any lengths to help those she loves and the people in need, such as Gotham's underserved communities. Due to the bond she shares with her step-sister Kate, Mary is one of the few individuals who can talk her around.
But because of Mary and Kate's differences, they were never really close, much to Mary's dismay, but she still tried hard to be friendly and supportive of her step-sister. As a result; Mary harbored some resentment towards Kate for dismissing and only seeing her as a replacement for the latter's biological sister, Beth.
Mary even lashed out at Luke Fox over how Kate still favored a serial killer over her, despite all her best efforts to be a good sister and began questioning Kate's love for their family, after she refused to talk to Mary since she had "work to do"; when their parents were about to divorce. But even; when the two of them are at odds, Mary is extremely quick to forgive Kate. When Kate finally confessed to having always loved Mary like a real sister and apologized for sidelining her in the past, Mary was so moved that she was unable to reply and simply embraced Kate.
Mary is also quite empathetic and sensitive; for example, she was horrified after discovering that her mother, Catherine Hamilton had manipulated the DNA test on Beth's alleged remains in order to gave Jacob and Kate closure, having a very hard time forgiving Catherine for this deception. Mary felt great sorrow; when her mother and step-father were about to divorce, and devastated for being unable to reach and act more sisterly with Kate. Also, despite her animosity towards Beth, Mary came to befriend Earth-TUD14 Beth after realizing that she was nothing like the former. Mary further demonstrated these traits, as well as an impressive stoicism, when choosing not to leave her clinic during a bomb alert in order to stay with her patients; who were too weak to be evacuated or when putting her own life in jeopardy; in order to save her step-sister and Julia Pennyworth.
Mary has proven to be quite an assertive, inquisitive, and free-spirited girl, not bothering about being politically correct; when questioning Sophie Moore's sexuality or discussing her past relationship with Kate and the impact it had on her.
After Mary's mother, Catherine's death, she greatly matured, taking full charge of her step-father's trial to prove his innocence in Catherine's murder. But in her grief Mary also became much more withdrawn, considering shutting down all of her social media accounts and even closing her free clinic, feeling she couldn't be a good doctor when she was unable to save her own mother. But Mary eventually managed to overcome her grief and decided to continue her path of being a doctor and influencer, keeping both her clinic and social media accounts open.
Mary was also shown to have a strong relationship with her step-father, Jacob as he was possibly the only father-figure in her life. Even though she loved her step-father, Mary knew that Jacob would never become allies with Batwoman; due his (unjustified) hatred towards vigilantes in general and after Jacob tried to kill Kate (under the persona of Batwoman at the time) Mary was saddened by her step-father's actions. Yet, despite Jacob trying to kill Kate earlier, Mary provided her step-father emotional support as the latter became so guilt-ridden over his actions and desperately started searching for Kate after she had disappeared. But; when Jacob discovered and shut down her secret clinic, Mary became angry at her step-father for not only closing down the clinic and believing she would become like her mother, but for taking away the very thing she enjoys doing; helping other individuals.
===As Poison Ivy===
After being infected; by one of Pamela Isley's vines, Mary's personality has become far more darker; to the point of becoming extremely cold, cruel, sadistic, ruthless, spiteful and vindictive; for example, she tried to suffocate Chris Hayner to death, an individual; who Mary wanted to go out on a date; with; via a dating app; due to the latter simply rejecting her and the fact that; Mary did not take being rejected very well.
Mary has grown extremely resentful towards both Luke Fox, and Ryan Wilder for constantly ignoring and neglecting her; as evidenced; by the fact that; she used her vines to break Like's left arm and then used her vines in attempt to suffocate Ryan to death; proving that; Mary also does not take being ignored and neglected very well.
However, despite Mary's ruthless actions, she does at least still has a good relationship; with her step-sister, Beth Kane; who has never ignored, neglected or doubted her in anyway, Beth also helps Mary to embrace her new identity as "Poison Ivy"; proving just how strong the relationship between the step-sisters has become.
Although Mary was convinced; by Beth to remove the tracking nanobots from her bloodstream, after she pointing out that; the Bat Team will be able to find them wherever they go, but she was still reluctant to do so, as Mary believed that; Beth would abandoned her the moment after she removes the tracking nanobots from her bloodstream; proving that; she has become extremely lonely.
When Ryan offered Mary a cure for her mutation, she used her mind control powers to discover what the latter's intentions are if she does not take the cure; when Ryan stated that; "i would have to keep you confined; until we figure something out, we can't just let you hurt other individuals". Mary became completely enraged; by the fact that; her former friends did not know her at all. She then summoned roots from the asphalt below to immobilize Ryan and destroyed the cure; in order to keep her meta-human powers and turns against her former friends in the process; proving that; Mary completely embraced her new identity as "Poison Ivy".
After Mary completely embraced her new identity as "Poison Ivy", she had stated to Beth that; "i don't care what we do or where we go, as long as it's fun"; proving that; Mary still maintains her cheerful and carefree traits; but they have also become twisted.
===Reformed personality===
After (apparently) being cured from one of Pamela Isley's vines, Mary feels tremendous guilt, shame and remorse for the crimes that; she had committed; such as (accidentally) killing someone.
==Powers and Abilities==
===Powers===
*Meta-human physiology: Due to being infected; by one of Pamela Isley's vines; Mary possesses meta-human attributes; such as chlorogenesis, chlorokinesis, pherokinesis, telepathy, mind control and life-force energy absorption. Presumably; the longer Mary is exposed to direct sunlight or water, the more powerful she becomes. Whenever Mary utilizes or is about to utilize her powers; both of her eyes glow bright green.
**Chlorogenesis: Mary can generate, create and project several different types of plant life.
**Chlorokinesis: Mary can manipulate several different types of plant life; for example, she is able to almost suffocate other individuals into a honeycomb structure; such as Chris Hayner, she can summon vines that; are strong enough to immobilize both Batwing and Batwoman; who were in their respective suits. Mary is also able to summon roots from below an asphalt that; are strong enough to immobilize Batwoman; long enough for both Beth Kane and Mary; to get away from the caped crusader.
**Pherokinesis: Mary can manipulate her pheromones; for example, she is able to manipulate them presumably to create any chemical that she desires.
**Telepathy: Mary can telepathically communicate with other plant-based meta-humans over small or vast distances; such as Pamela Isley.
**Mind control: Due to Mary's pheromone; she can manipulate the minds of other individuals; to get them to do what she wants them to do.
**Infection: Mary's vines are capable of changing other individuals' physiology and transforming them; into a meta-human; granting them the same plant-based powers and characteristics that; Mary posses as Poison Ivy.
**Life-force energy absorption: Mary can absorb life-force energy from other meta-humans that; she has created; this; allows Mary to restore herself and her powers back to full strength; if she is in a severely weakened state. But if Mary absorbs too much life-force energy from her sporelings; before they have a chance to completely recover; it will kill them.
**Superhuman senses: Due to sound vibrations; Mary is able to sense the presence of objects, or other individuals over small or vast distances.
===Former power===
*Healing blood: After taking the universal cure-all Desert Rose as an antidote after being poisoned by Beth Kane, Mary's blood was able to heal allegedly every illness by transfusion. These properties seemed to vanish after a while since, after analyzing her own blood some months after taking the antidote, Mary found nothing abnormal anymore.
===Abilities===
*Genius-level intellect/Great business acumen/Expert tactician/Leader: Mary has proven to be a very savvy, intelligent, and cunning individual. She is extremely skilled strategist and planner, having secretly run her own clinic without getting caught through siphoning funds from Gotham University. Mary dealt with various patients on her own, not having any other staff members. She was also very accurate at orchestrating her movements in order to cover her activities and real interest for medicine by posing as an irresponsible party girl, even to her thousands of social media followers. Mary is also a fairly competent business planner, helping Kate Kane to open her gay bar, The Hold Up, and taking over its design. She also demonstrated an extraordinary memory and is an excellent tactician, taking charge of the organization of her step-father Jacob Kane's trial defense tactics and developing a plan to lure the Crows onto a roof so Batwoman could propose to Jacob a truce. Mary is so brilliant that she correctly deduced the existence of the multiverse, its collapse, and the birth of Earth-Prime after reading Beth Kane's astrophysics notes (though believed it was "mere speculation"), as well as involuntarily proposing an effective way to destroy Kryptonite. Mary is regarded by Kate as one of the three most intelligent individuals she knew in Gotham, alongside Luke Fox and Beth. She was the first person to correctly deduce Kate's identity as Batwoman on her own.
*Expert of deception: Mary is proven to be extremely skilled in the art of deception, using acting and improvisation skills to make up several stories in a matter of mere seconds in order to try to pass a checkpoint. Mary also managed to trick Johnny Sabatino and several Gotham's mobsters into believing that she was at the Lookout to take part to their auction, on the behalf of Hamilton Dynamics (which she bluffed was vested in unlocking the secrets of Batwoman's protective suit), rather than to saving Batwoman.
*Skilled investigator: Mary is very inquisitive and a capable investigator, having extorted information on Alice's plan from Dodgson while he was drugged. She was also quite helpful in investigating the identity of Beth's doppelgänger when she first appeared. Mary was able to figure out that Kate is Batwoman after connecting a series of clues and helped Kate in figuring out Hush's kidnapping pattern.
*Medical knowledge: Although Mary is just a medical student and has not yet achieved her M.D., she has a tremendous amount of medical knowledge, enough to operate her own illegal clinic and identify the exact extension of a patient's brain damage just by looking briefly at a CT. Her medical skills seems to be even greater and more accurate than that of many paramedics and she was able to perform various surgical feats, such as extracting a windshield out of a man's abdomen and help him recover within a night. Mary also displayed a great knowledge of injuries caused by various types of bullets, able to deduce in less than an hour how to better treat the wounds they made without using specific equipment.
*Skilled hand-to-hand combatant: Mary is proven to be a skilled hand-to-hand combatant; she was capable of holding her own in a fight against Alice; when the latter was severely weakened by her headaches and eventually overpowering her.
*Skilled knife-wielder/Knife thrower: Drawing from her knowledge on the human anatomy, Mary has incredible aim with knives; despite her fear, she was able to stab Dodgson in the leg with remarkable accuracy, debilitating his ability to move.
*Skilled markswoman: Mary knows how to use a gun thanks to training from her step-family.
*Indomitable will: A driven and determined individual, Mary is nearly fearless and almost never gives up in most situations; for example, she chose to stay behind and help her patients during the evacuation of Bennett Ave. after a bomb alarm, despite knowing full well that no one knew of her clinic's existence and thus the authorities wouldn't care to evacuate it before detonating the bomb.
*Network: As a member of the social elite and influencer-in-the-making, Mary has a wide array of contacts; including several other connections between the poor Gothamite communities she helped. In Bennett Ave., Mary has a reputation of "knowing everyone". But unfortunately, this has also led to a number of other individuals knowing things about her in turn and that; included shady parties, like Alice and her gang; who even visited Mary's clinic time and again leading to Kate also becoming aware of her adoptive sister's double-life.
===Weaknesses===
*Limitations: Mary's mind control powers do not activate very quickly; leaving her vulnerable to being attacked.
*Blindness: Mary can only manipulate the minds of other individuals; as long as she can see them.
*Herbicide and paralytic compound: Mary is vulnerable to a herbicide and paralytic mixed compound; as it is powerful enough to completely knock her out cold for a short period of time.
*Salt and vinegar compound: Mary's vines and skin; are vulnerable to a salt and vinegar mixed compound.
*Pheromone blocker: Mary cannot manipulate the minds of other individuals; if they have taken a pheromone blocker.
====Former weaknesses====
*Limitations: Initially, Mary's powers were only active; when she is exposed; to direct sunlight. But after Mary's mutation was completed; her powers are now permanently active; without the need to be exposed; to direct sunlight.
*Poison Ivy cure: After Ryan Wilder sent a sample of Mary's mutated blood to Jeturian Industries, the latter's scientists managed to successfully created a cure that; were be able to reverse Mary's plant-based meta-human mutation. But the Bat Team only had 12 hours to give the cure to Mary; before her mutation becomes permanent; but Mary destroyed the cure; before Ryan had a chance to give it to her. But after the 12 hour deadline had passed; Mary's mutation has became irreversible; as she is now permanently Poison Ivy.
*Split personality: When Mary's alter-ego, Poison Ivy is triggered; she has no control over her alter-ego's actions and doesn't remember any of the actions that; she had committed as Poison Ivy. But after Mary's mutation was completed; both of her personalities as her normal-self and Poison Ivy have been permanently merged; into one.
*Sunlight: If Mary is exposed; to direct sunlight; it will trigger her alter-ego, Poison Ivy. But after Mary's mutation was completed; her alter-ego, Poison Ivy is now permanently active; without the need to be exposed; to direct sunlight.
==Equipment==
*Poison Ivy suit: Mary wears a green protective suit; when operating as the second Poison Ivy.
==Gallery==
Mary Hamilton attends the switching of the Bat-Signal.png|Mary taking a selfie as Gotham turns off the Bat Signal.
Kate, Mary, and Catherine at the table.png|Mary with her mother, Catherine and step-sister, Kate.
Mary tell Kate that she's favoring the supposedly deceased Beth over her.png|After being attacked, Mary calls out Kate for favoring her dead sister, Beth over her.
Batwoman brings Dodgson to Mary's clinic.png|Mary is told by Batwoman to treat Dodgson's wounds and interrogate him.
Bat Team investigating second Beth.png|Mary, Luke and Kate investigating another Earth's Beth Kane.
==Trivia==
*Unlike in the DC comics; Mary is the step-sister of Kate Kane; instead of her maternal cousin.
*Mary loves to watch puppy videos on YouTube.
*Mary's a huge fan of Glam Jams.
*Mary had over 3.5 million social media followers; but she lost most of them after her mother and step-father's underhanded activities were exposed to the public.
*Mary's blood type is B-negative.
*Mary's shoe size is 7.5.
*Even though Mary and Beth Kane (initially) weren't recognized by the law as step-sisters; due to the fact that the public was unaware of Beth's survival at the time; the two referred to each other as such. Nora Fries recognized that the two of them certainly fight like sisters.
*Mary is the first character outside of any team of heroes to have (correctly) guessed the multiverse's existence on her own; although then dismissing it as a "mere speculation".
*Mary is one of the few known individuals to become a meta-human; without the use of a particle accelerator or being exposed to dark matter.
*Unlike Mary's predecessor, Pamela Isley; her meta-human powers were (initially) only active; when she is exposed; to direct sunlight, as it took days before Mary's mutation was completed.
*Through unofficial sources; Mary has been referred to as "Poison Ivy 2.0" and "Poison Mary" respectively.
*As of "Toxic", following Pamela draining Mary of almost all of her life-force energy; she no longer has any meta-human powers. But it is unknown if Mary has permanently lost her powers, or if they have just simply become dormant or have been suppressed.
==Behind the scenes==
*In the DC comics, Mary is the maternal cousin of Kate Kane.
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