Maurice LaMarche provided the voice of Mr. Freeze and Calendar Man in Batman: Arkham City, Batman: Arkham Origins and Batman: Arkham Knight.
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He's best known for the additional voices in the Comedy Central show, Futurama, as well as The Brain in "Pinky and the Brain" and Egon Spengler on The Real Ghostbusters and Extreme Ghostbusters and various other voices in children's animated series.
