Hypno-Potamus is a villain in the Rise of the Teenage Mutant Ninja Turtles, voiced by Rhys Darby.


Hypno was originally a successful stage magician named Mezmer-Ron who performed alongside his pet hippo Doug. During on a performance he was mutated due to Baron Draxum's Qozeuitoes and because of his animal partner into a hippo renaming himself Hypno-Potamus. He had since turn into a villain. He First appeared in the Episode Newsworthy alongside another villain named Warren Stone. The Turtles had Raph and Mikey disguise themselves as a female hippo to draw him out. He is defeated by Warren Stone.

Hypno returns in the episode Hypno! Part Deux where he watched a teenager made a middle school disappear. An envious and enraged Hypno decides to make a high school disappear and said high-school was April's and he used his powers to brainwash the school so that he would make the school disappear. Eventually Leo and Raph show up to stop him and foiled his plans at the end.

Hypno later reappears in the episode Stuck on You, where he breaks in the museum in order to use a tomb to resurrect his partner Doug who he still misses and had disappears. The Turtles manages to stop him.

In the Evil League of Mutants, Hypno-Potamus joined forces with Baron Draxum, Meat Sweats, Repo Mantis, Warren Stone, and the Sando Brothers to destroy Ninja Turtles after having coffee alone. After tricking the turtles to an abandoned warehouse, the league ambushed them and nearly defeated them, but they used their training to defeat the group.

In Warren and Hypno, Sitting in a Tree, he lives in an apartment with is love interest Warren Stone.

Powers and Abilities

Hypno as a mutant gained the ability to use his voice to brainwash others and using cellphones as well. He is also capable of using other powers like his hat and other gadgets.


  • Hypno-Potamus has shown a romantic interest in both men and women (meaning he's bisexual).
    • In "Newsworthy", after falling for a hippo, unaware that it's really Mikey in disguise, he calls "her", "future Mrs. Hypno-Potamus".
    • "Warren and Hypno, Sitting in a Tree" reveals that Hypno and Warren Stone have developed romantic feelings for each other since becoming roommates.


           Tmnt-51e57cb534568 Villains

Shredder (Mirage Comics & Raphael) | Doctor Shreddarius | Lady Shredder | Foot Clan | Foot Elite | Karai | Ch'rell | Baxter Stockman (IDW) | Krang (IDW) | Hun | Purple Dragons | Adolf Hitler | Ninjara | Slash | Leatherhead | Triceratons | Commander Mozar | Zanramon | Shredder Clones | Tokka & Rahzar | Alopex | Kitsune | Koya | Bludgeon | Rat King | Agent Bishop | Bebop and Rocksteady | Savanti Romero | Darius Dun | Tatsu | Master Sliver | General Tragg | Dragon | Null | Maligna | Armaggon

1987 TV series: Shredder (1987) | Bebop & Rocksteady (1987) | Baxter Stockman (1987) | Krang (1987) | Rat King (1987) | Lord Dregg (1987) | Antrax (1987) | Barney Stockman | Don Turtelli | General Tragg | Groundchuck & Dirtbag | Krangazoids
1997 TV series: Dragon Lord | Wick | VamMi
2003 TV series: Utrom Shredder (Tengu Shredder, Cyber Shredder) | Karai | Baxter Stockman | Rat King | Drako | Ultimate Ninja | Hun | Darius Dun | Sh'Okanabo | Dark Turtles | Viral | Torbin Zixx | Commander Mozar | General Blanque | Lonae | Abigail Finn | Parker | Harry Parker | Zanramon | Kluh | Ammag | Levram Wizard | Dragon Face | Johnny | Yukio Mashimi | Moriah | Weasel | Master Sliver | Savanti Romero | Agent Bishop | Triple Threat | Nano | Mephos | Boss Zukko | High Mage | Lord Hebi
2012 TV series: Shredder (2012) | Karai (2012) | Rat King (2012) | Tatsu (2012) | Bebop (2012) | Rocksteady (2012) | Baxter Stockman (2012) | Antrax (2012) | Lord Dregg (2012) | Savanti Romero (2012) | Kraang Prime | Kraang Subprime | The Kraang | Kavaxas | Tiger Claw | Slash | Fishface | Rahzar | Newtralizer | Armaggon | Za-Naron | Dracula (TMNT) | Justin | Pizza Face | Chrome Dome | Dream Beavers | Speed Demon | Chimera | Koga Takuza | Spy-Roach | Maximus Kong | Jei
Rise of the TMNT: Baron Draxum | Albearto | Baxter Stockboy | Big Mama | Meat Sweats | Hypno-Potamus | Foot Brute | Foot Lieutenant | Warren Stone | Repo Mantis | Evil League of Mutants

TMNT 1 & 2: Foot Clan (Shredder, Tatsu, Tokka & Rahzar)
TMNT 3: Walker | Lord Norinaga
TMNT (2007): Stone Generals (Aguila, Gato & Mono) | Foot Clan (Karai)
TMNT (2014): Foot Clan (Shredder, Eric Sacks, Karai & Baxter Stockman)
TMNT: Out of the Shadows: Krang | Foot Clan (Shredder, Karai, Baxter Stockman, Bebop and Rocksteady)

Video Games
Mechaturtle | Shogun | Tora

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