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M. Mu

M.A.D. Cat

Dr. Claw’s Cat - MAD CatDr. Claw’s fat pet cat. He is always at Dr. Claw’s side. In many episodes he attempts to do something simple, but fails, usually because of Dr. Claw hitting the desk, enraged by Gadget’s interference. The M.A.D. Cat does not have a voice, but will laugh when Dr. Claw laughs, and appears to be at least partially evil.

(voiced by Frank Welker)