Powers: Composed of an amorphous slime, could assume human or other forms at will, possessed superhuman strength.
Bio: Slimeface was introduced in the pages of The Sensational She-Hulk in a storyline that spoof Batman and his enemies.
Slimeface was an inmate of Dorkham Asylum, run by the Chief of Staff, Jack Serious. After a plan of Serious' was interrupted by She-Hulk and Nosferata, Serious sent Three-Face to abduct She-Hulk to experiment on her.
Nosferata arrived and freed She-Hulk where a battle with Serious and the inmates errupted. After defeating the other inmates such as Big Al G'houl and Dogwoman, She-Hulk turned to Slimeface and asked him if it was his turn next. Scared, he decided to pass and gave up.
Serious ended up being killed by the inmates of Dorkham Asylum, and the fate of the Asylum and Slimeface, wasn't revealed.