Mitchy-Dini is one of Mitch's alter ego's. His first appearance is in the episode "Hypnoanimals".
He has a black cape with red on the inside. Either George or K'nuckles made a cloth headpiece which houses the hypnotizing wheel without the handle. George wears the headpiece to hypnotize Zigfried into being various monsters, then being stolen by the Hothead which he uses to hypnotize Mitch, George and K'nuckles into being dogs. Mitch tries to hypnotize Hothead, but due to being from the planet Sun was not able to reach success.