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. Resents the new Robin for taking his place. Wants to punish Bruce by taking away the new Robin. Needs affection. Touch starved.