Martin Mertens

==Summary==
Martin Mertens, also formerly known as Mr. M, is Finn's biological father. Billy calls him "Dad the Human", similar to Finn's title "Finn the Human". He was first revealed in the episode "Billy's Bucket List".
==Powers and Stats==
Tier: At least , possibly far higher | , possibly 
Key: Pre-Catalyst Comet | Post-Catalyst Comet
Name: Martin Mertens
Origin: Adventure Time
Gender: Male
Age: In his 40s
Classification: Human | Unknown, likely some kind of Cosmic Entity
Powers and Abilities: Superhuman Physical Characteristics, and Great Pain Tolerance | Incorporeality, and Possible Omnipresence
Attack Potency: At least Large Town level+ (Should be comparable to his son Finn, and he was able to easily overpower him after catching him off guard), possibly far higher (Was called a great warrior by the likes of Billy and was considered a Cosmic Criminal by the Cidatel Guardians) | Unknown. Possibly Universe level+ (Achieved a "new mode of existence", becoming one with "the end, and the beginning" of the universe)
Speed: Massively Hypersonic+ (Should be comparable to Finn, who reacted to entities like Orgalorg) | Unknown, possibly Omnipresent (Supposedly became one with the universe)
Lifting Strength: At least Class M (Should be comparable to Finn and others on his level) | Unknown
Striking Strength: At least Large Town level+ | Unknown
Durability: At least Large Town level+ (Should be comparable to Finn), possibly far higher | Unknown, possibly Universe level+ (Became one with "the end, and the beginning" of the universe)
Stamina: Unknown| Likely Infinite
Range: Standard Melee Range | Unknown, possibly Universal+
Standard Equipment: None notable
Intelligence: Martin is shown to be very cunning and persuasive, and was considered a great warrior by the likes of Billy
Weaknesses: Unknown
==Notable Matchups==
Victories:
Losses:
Inconclusive:
Category:Characters
Category:Adventure Time
Category:Adults
Category:Antagonists
Category:Cartoon Characters
Category:Cosmic Entities
Category:Criminals
Category:Humans
Category:Incorporeal Characters
Category:Male Characters
Category:Parents
Category:Pirates
Category:Villains
Category:Science Fantasy Characters