Lock-Up (comics)

Lock-Up (Lyle Bolton) is a DC Comics supervillain and an enemy of Batman. He first appeared in one episode Batman: The Animated Series and was incorporated into DC's mainstream continuity Robin #24 (January 1996).

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Lock-Up (comics) - Other Versions - Flashpoint
... In the Flashpoint reality, Lock-Upappears as an inmate in the Doom prison ... Lock-Upis killed by Eel O'Brian ...