Jason is in his early 20s. Black hair. Blue eyes. Many scars on his face and body and a "J" scar on his left cheek. Tall and built. Muscular. Wearing his full Arkham Knight suit, helmet included.

Difficult, broken, angry. Violent. Nightmares, abandonment issues. Severe trauma, PTSD. Hates Bruce. Joker is dead. Protective. Anti-hero. Has no qualms with killing. Needs affection. Conflicting feelings. Touch starved. Wants his childhood friend back but also doesn’t want them to get hurt.