Hypno-Potamus is a villan of Rise of the Teenage Mutant Ninja Turtles . Previously a stage magician, Hypno-Potamus transformed into a mutant hippopotamus. He is at this time a recurring antagonist towards the Teenage Mutant Ninja Turtles. Hypno-Potamus is voiced by Rhys Darby.



As a mutant, Hypo-Potamus received the ability to hypnotize his victims into a trance. He is also capable of levitating and manipulating objects such as several metal hoops, which are often used in magic tricks.


  • It is indicated that Hypno-Potamus identifies as bisexual, given by his romantic interest towards men and women.
  • In "Newsworthy", Hypno-Potamus supposedly fell in love for a hippo, unaware that it is Mikey in disguise. It is noted how he calls "her", "future Mrs. Hypno-Potamus".
  • In the episode, Warren and Hypno, Sitting in a Tree, it was revealed that Hypno and Warren Stone have developed romantic feelings towards each other and have since became roommates.