Harvey Dent (Earth-9)

"My mother was a smack addict, and it killed her. My dad was murdered by Two-Face. Add three years of foster care bullshit, and I'm probably fucked up, okay?"

- Jason Todd to Leslie Thompkins

Harvey Dent is the criminal known as Two-Face.

Becoming Two-Face
After becoming an enemy of the Maroni Crime Family, Harvey Dent was attacked with hydrofluoric acid, resulting in him going insane and becoming the criminal known as Two-Face. At some point afterwards, Two-Face murdered Willis Todd.

Batman & Robin
Due to his criminal activities, Two-Face became an enemy of Batman, and in one encounter, had his coin confiscated and stored in the Batcave. At one point, Two-Face was also investigated by Robin, but he successfully evaded capture due to Jinx betraying Grayson.

Trigon's Dreamworld
In a dreamworld created by Trigon for Dick Grayson, Dent was incarcerated at Arkham Asylum and was one of the many criminals killed by Batman.

Former Equipment

 * Coin: Dent owned a coin until it was confiscated by Batman and stored in the Batcave.