Petroleus Rex

"I'm cooking... and killing with gas!"

- 's Unlock Message

 is a limited-time premium character released on February 18, 2015, as part of the Superheroes 2015 Event. He is unlocked upon completion of the Tar Pits.

About
 is a villain and a member of The Fossil Fuel Four.

Trivia

 * From Season 25, 10 “Married to the Blob”.