Many characters from Batman's rogues gallery who are criminally insane become patients at Arkham Asylum after they are apprehended.The Batman Family's rogues gallery has been well received, considered by many journalists to be one of the greatest superhero rogues galleries in all of comics.As Croc descended into madness, he sharpened his teeth to razor points and began murdering innocent victims.He possesses super-strength and is immune to toxins.Jervis Tetch is inspired by Alice's Adventures in Wonderland to commit crimes.
His arsenal of weapons includes razor-cards, acid-spewing flowers, and fatal laughing-gas.Unlike his parents, Payne can only keep his metahuman abilities while awake and, if a piece of his clay body is separated from him, it can grow a mind of its own.is a former firefighter who gained a clay appearance and the ability to shape shift following an explosion at a chemical plant.Bane's raw power coupled with his genius level intellect makes him a considerable threat to Batman, having once succeeded in breaking Batman's back. He obtained a sample of Matt Hagen's blood, isolating an enzyme which he introduced into his own bloodstream.Julian Gregory Day is known for committing crimes that correspond with holidays and significant dates. However, his flesh began to melt, so he built an anti-melting exoskeleton to not only preserve himself, but to also prevent him from touching anyone, as he also gained the ability to melt people with a touch.Sometimes more than one fictional character will share a supervillain persona.In those cases, the name of the character most associated with said supervillain identity will have their name in bold in their biography.He invents numerous weapons that involve light to commit crimes with. Harleen Quinzel was the Joker's psychiatrist at Arkham Asylum until she fell in love with him and subsequently reinvented herself as his madcap sidekick, Harley Quinn.She is often mistreated by the Joker, but that rarely changes how she feels about him.He is often considered to be the second greatest assassin in the DC Universe, the first being Deathstroke.Garfield Lynns is an orphan who became a pyromaniac, having developed a fireproof suit with a flamethrower to further pursue his "hobby".