Mr. Big is a male shrew who is the head of the Tundratown Mafia, in the Disney film Zootopia. He is a parody of Vito Corleone from The Godfather.

Nick Wilde and Judy Hopps encounter him in the investigation of a citizen's disappearance, and after they're rescued from a bad initial encounter by the intervention of his daughter Fru Fru, Mr. Big gives the two a suggestion on where to next go on their investigation.