Dark Laser - The Fairly OddParents
Trigon - Teen Titans
Trigon is a demon, a comic book character published by DC Comics. He is one of the most powerful beings in the DC Universe, having enslaved many worlds.
Skulker - Danny Phantom
Skulker is a fictional character in the American animated series Danny Phantom created by Butch Hartman for Nickelodeon.
Shredder - Teenage Mutant Ninja Turtles (2012)
Oroku "The Shredder" Saki is a fictional character in the Teenage Mutant Ninja Turtles comics and all of its related media.
I think this has to be Shredder's best incarnation yet. Sure, I always hear everyone saying that the 1987 Shredder is the best for his badassery and funniness, but given that Kevin Michael Richardson does a good job of portraying Shredder as one of the most foreboding and badass villains in Nickelodeon animation right next to Amon from The Legend of Korra, I must say that the 2012 Shredder takes the character of Shredder to a whole new level. Also, let's not forget his newly mutated Super Shredder form... - ModernSpongeBobSucks
Captain Gantu - Lilo & Stitch
Captain Gantu is a humanoid alien resembling a fish from the movie and spinoff series Lilo and Stitch. In the movie, Gantu is the captain of the Galactic Armada. He is tasked with capturing Experiment 626, but is removed from his position after endangering the lives of the islanders. In the series, ...read more.
Demongo - Samurai Jack
Demongo is a fictional character from Samurai Jack, an American animated television series created by Genndy Tartakovsky for Cartoon Network.
Joker - The Batman
Sheriff Blubs - Gravity Falls
Mammoth - Teen Titans
Kilowog - Green Lantern
Santa Claus - The Fairly OddParents
I'm surprised they had the courage to cast a black person as Santa - Gangem
See-More - Teen Titans
Lobo - DC
Chairman Drek - Ratchet & Clank
Ultimate Supreme Executive Chairman Drek (simply known as Chairman Drek) is the head of the Blarg species and the main antagonist of the 2002 videogame Ratchet & Clank and a major antagonist of the 2016 animated feature film and Playstation 4 game.
Smikka Smikka Smoodoo - Invader Zim
Throbulator - Invader Zim
Viceroy - Randy Cunningham: 9th Grade Ninja
Principal Lewis - American Dad