Mark Rolston voiced Firefly in the DC Animated Universe, Carl in the Batman Beyond episode "The Eggbaby", and Deathstroke in Batman: Arkham Origins and Batman: Arkham Knight.
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Mark Rolston voiced Firefly in the DC Animated Universe, Carl in the Batman Beyond episode "The Eggbaby", and Deathstroke in Batman: Arkham Origins and Batman: Arkham Knight.
