Unlike villains who get mutated later in life, Waylon was born with his genetic mutation, a trait that caused his inactive reptile genes to become active. Obviously, this attracted a lot of unwanted attention; people ridiculed young Waylon's appearance, and it took a negative toll on him.
As time moved on, the mutant went from hating who he was to embrace it. He joined the circus as an alligator wrestler and called himself "Killer Croc". Even in a place as crazy and accepting as the circus, Croc was still treated like an animal. Finally, he found a home in the sewers of Gotham City, where he engaged in numerous criminal activities. Unfortunately for Killer Croc, Batman eventually caught up with him, and he was imprisoned in the Belle Reeve facility. It was there that Croc took up a contract with the Suicide Squad.
Teen Titans Go! features Killer Croc first in the episode "Nose Mouth", where he makes a brief appearance alongside Kyd Wykkyd, Control Freak and Plasmus in Robin's dream. He has also appeared a few other times throughout the series, but nothing more than cameos.
In his first few episodes, Killer Croc is completely covered in cyan scales. Both his hands and feet end in spiny claws, and his mouth is lined with a sharp set of teeth. Croc's brow is very defined, and his upper body is in exceptional shape. As for clothing, he wears a tattered pair of blue-gray jeans.
"The Inner Beauty of a Cactus", Killer Croc's third episode appearance, saw him get a slight redesign. He is now more green than cyan, and his scales are also much more defined. In addition, bony protrusions stick out from the top of his skull all the way down his spine. He also has a couple of spines on the side of his face.
Killer Croc is a mutated humanoid with green scaly skin and sharp yellow teeth.
Powers and Abilities
- Reptile Atavism: The traits from the reptile ancestors of humans are noticeably expressed in Killer Croc. Due to this rare mutation, the supervillain has:
- Claws: A deadly set of knives adorns his hands and feet.
- Fangs: Killer Croc has been known to bite off arms.
- Superhuman Durability: The scales covering Killer Croc's body have been known to withstand bullets and other damage.
- Superhuman Strength: While not on the level of Superman, Killer Croc is stronger than any normal human, even if they are in peak physical shape.
- Superhuman Speed: Thanks to his crocodile ancestors, Killer Croc has outstanding speed, especially while in water.
- Bilingual: Although not the smartest of Batman's adversaries, Croc is proficient in English and French.
- Wrestling: Killer Croc prefers the brute force and savagery of wrestling to the more elegant martial arts.
- "Sidekick" (cameo)
- "Nose Mouth" (debut, cameo)
- "The Titans Show" (cameo)
- "The Inner Beauty of a Cactus" (cameo)
- "Egg Hunt" (cameo)
- Killer Croc is the first non-Titans villain to make an appearance in the series. He is also the first of five Batman villains to appear in the show.
- Killer Croc appears on a punching bag in Robin's room (along with Slade and Bane).
- In the comics, Killer Croc played an essential role in the origin of Robin II (Jason Todd). However, he was not actually a Batman rogue until after the first Robin (Dick Grayson) became Nightwing.