<Ul> <Li> Persi also voices Officer Higgins, a hippopotamus who is an elite member of the Zootopia Police Department's 1st Precinct . </Li> </Ul> <Li> Persi also voices Officer Higgins, a hippopotamus who is an elite member of the Zootopia Police Department's 1st Precinct . </Li> <Li> Maurice LaMarche as Mr. Big, an Arctic shrew who is the most fearsome crime boss in Tundratown and is served by a group of polar bears . </Li> <Li> Phil Johnston as Gideon Grey, a red fox from Bunnyburrow who used to bully the young rabbits and sheep when he was young . As an adult, he has made amends with those he picked on and became a much - respected baker . <Ul> <Li> Johnston also voices an angry offscreen character who states that his taxes pay Judy's salary upon being given a parking ticket by her . </Li> </Ul> </Li>

What animal is mr. big in the movie zootopia