Willie

Willie is a character in the series Fred 40.He is Fred's best friend.He is also half human,half Sludge.Fred also got Putty's DNA from him but Fred's version looks very different.

Abilities
Like all Sludges, Willie's body is made out of a mud-like substance with shapeshifting properties such as turning into a human being. Other abilities include elasticity shaping her hands into weapons as well as super strength.

Weaknesses
He can be killed by water if he stays in it for more then 10 minutes, fire or by scattering enough of their body matter to the point where they cannot reconstitute.