Successorheld the mantle from 1963
Clifford "Cliff" Steele
Powers. Human brain housed in a robotic body; superhuman strength and durability, immunity to fatigue/pain, no need to breathe. Body has been rebuilt/upgraded many times.
Origin
After a catastrophic race-car accident destroyed Cliff Steele's body beyond repair, scientist Niles Caulder saved his life by transplanting his brain into a powerful robotic frame. Steele became Robotman, a founding member of the Doom Patrol, grappling with his lost humanity while wielding superhuman strength and near-indestructible durability.