Teenage Mutant Ninja Turtles (2012 TV Series)

 Teenage Mutant Ninja Turtles is an American CGI animated series developed by the Nickelodeon Animation Studio in the franchise of the same name. A one-hour sneak peek was released on September 28, 2012 while the premiere aired September 29, 2012 on Nickelodeon.

Main Characters

 * Leonardo (Jason Biggs, Seasons 1-2), (Seth Green, Seasons 3-5)
 * Donatello (Rob Paulsen)
 * Raphael (Sean Astin)
 * Michelangelo (Greg Cipes)
 * Hamato Yoshi/Splinter (Hoon Lee)
 * April O'Neil (Mae Whitman)
 * Casey Jones (Josh Peck)
 * Hamato Miwa/Karai (Kelly Hu)
 * Foot Clan
 * Oroku Saki/Shredder (Kevin Michael Richardson)
 * Chris Bradford/Dogpound/Rahzar (Clancy Brown)
 * Xever Montes/Fishface (Christian Lanz)
 * Baxter Stockman/Stockman-Fly (Phil LaMarr)
 * Tiger Claw (Eric Bauza)
 * Ivan Steranko/Rocksteady (Fred Tatasciore)
 * Anton Zeck/Bebop (J.B. Smoove)
 * The Kraang (Nolan North)
 * Kraang Prime (Roseanne Barr, Rachel Butera)

Recurring Characters

 * Purple Dragons
 * Hun (Eric Bauza)
 * Fong (Andrew Kishino)
 * Sid (Andrew Kishino)
 * Tsoi (James Sie)
 * Mr. Murakami (Sab Shimono)
 * Kirby O'Neil (Keith Silverstein)
 * Metalhead
 * Mighty Mutanimals
 * Leatherhead (Peter Lurie)
 * Spike/Slash (Corey Feldman)
 * Dr. Tyler Rockwell/Monkey Brains (Frank Weller, Tom Kenny)
 * Pigeon Pete (A.J. Buckley)
 * Jason/Mondo Gecko (Robbie Rist)
 * Ice Cream Kitty (Kevin Eastman)
 * Chompy Picasso
 * Shinigami (Gwendoline Yeo)

Supporting Characters

 * Dr. Victor Falco/Rat King (Jeffrey Combs)
 * Timothy/The Pulverizer/Mutagen Man (Roger Craig Smith)
 * Carlos Chiang O'Brien Gambe (Jim Meskimen)
 * Fungus Humongous (Fred Tatasciore)
 * Snake/Snakeweed (Danny Jacobs)
 * Victor/Spider Bytez (Lewis Black)
 * Mrs. Campbell (Cassandra Peterson)
 * Newtralizer (Danny Trejo)
 * Justin
 * Spy-Ranch
 * Traag
 * Parasitica Warp
 * Biotroid (Nolan North)
 * Squirrelanoids
 * Chrome Dome
 * Irma (Kate Micucci)
 * Jack Kurtzman (Robert Foster)
 * Kraathatrogen
 * 80's Teenage Mutant Ninja Turtles
 * Donatello (1987 TV Series) (Barry Gordon)
 * Leonardo (1987 TV Series) (Cam Clarke)
 * Michelangelo (1987 TV Series) (Townsend Coleman)
 * Raphael (1987 TV Series) (Rob Paulsen)
 * 80's Krang (Pat Fraley)
 * Sir Malachi (Paul Reubens)
 * Antonio/Pizza Face (John DiMaggio)
 * Grantior
 * Roctopus
 * Long-Tongue Worms
 * Living Atoms
 * Knight/Kraang Subprime (Gilbert Gottfried)
 * Ho Chan (James Hong)
 * Creep
 * Bigfoot (Diedrich Bader)
 * The Finger (Jesse Ventura)
 * Mrs. O'Neil Clone (Renae Jacobs)
 * Punk Frogs
 * Attila the Frog (Maurice LaMarche)
 * Genghis Frog (Kevin Michael Richardson)
 * Napoleon Boanfrog (Jon Heder)
 * Rasputin the Mad Frog (Maurice LaMarche)
 * Frog Soldiers (Rob Paulsen, Josh Peck, Kevin Michael Richardson)
 * Dream Beavers
 * Dire Beaver (Robert Englund)
 * Dark Beaver (John Kassir)
 * Dread Beaver (Robert Englund)
 * Dave Beaver (John Kassir)
 * Speed Demon (Steve Blum)
 * Dr. Cluckingsworth
 * Chimera
 * Don Vizioso (Brian Bloom)
 * Fulci Twins (Eric Bauza)
 * Muckman and Joe Eyeball (Grant Moninger)
 * Renet (Ashley Johnson)
 * Savanti Romero (Graham McTavish)
 * Lord Simultaneous (Jim Piddock)
 * Tang Shen (Minae Noji)
 * Hamato Yuta (Hoon Lee)
 * Son of Snakeweed
 * Fugitoid (David Tennant)
 * Triceratons
 * Zanmoran (Michael Ironside)
 * Mozar (Michael Dorn)
 * Zog (Lance Henrikson)
 * Lord Vringath Dregg (Peter Stormare)
 * Armaggon (Ron Perlman)
 * Sal Commander (Keith David)
 * Mona Lisa (Zelda Williams)
 * Wyrm (Dwight Schultz)
 * Vrax Belebome (Charlie Murphy)
 * Neutrinos
 * Utrom High Council
 * Queen (Cassandra Peterson)
 * Bishop (Nolan North)
 * Pawn (Nolan North)
 * Rook (Kate Micucci)
 * Hiidrala (Lucy Lawless)
 * Cthugga
 * Tokka
 * Antrax
 * Scumbag (Ted Biaselli)
 * The Hammer (Eric Bauza)
 * Wingnut (Daran Norris)
 * Screwloose (Jeff Bennett)
 * Monoculus
 * Skullface McGillin (Fred Tatasciore)
 * Alopex (Minae Noji)
 * Kavaxas (Mark Hamill)
 * Tatsu (Michael Hagiwara)
 * Miyamoto Usagi (John Boyega, Yuki Matsuzaki)
 * Jei (Keone Young)
 * Akemi (Brittany Ishibashi)
 * Sumo Kuma (Cary-Hiroyuki Tagawa)
 * Kintaro (Evan Kishiyama)
 * Tanuki
 * Joroguma (Brittany Ishibashi)

Confirmed Characters Yet To Appear

 * Esmeralda (Dana Delorenzo)
 * Dracula (Chris Sarandon)
 * Verminator Rex (Nyambai Nyambai)
 * 80's Shredder (Kevin Michael Richardson)
 * Igor (?)
 * Victor Frankenstein (?)
 * Frankenstein's Monster (Grant Moninger)