created in the laboratory of Zach zinister. with sugar, spice and only Zach's smelly socks to believe it will make him evil. he stole chemical X to create the perfect ultimate destruction.
but little did Zach knew that it would backfire and burn was born. a boy powerpuff with less IQ but a lot of superhuman strength to show of it.
Zach zinister tried to despose of him. but burn became too much for him and escapes. he was adopted by professor utonium and is now the brother towards the powerpuff girls. he gets along with bubbles and buttercup very well. he is now a superhero who helps others out in need.