Peter is a member of The Secret Order of the Summer Buck, a secret society that sacrifices virgins in "The Curious Case of the Old Hole".
When Steve and Roger are captured when they infiltrate one of the societies gatherings at Steve's old swimming hole in their guise of Wheels and the Legman, Peter expresses concern over sacrificing Steve because he's handicapped. However, he is told that they have to treat him as everyone else And that he's properly referred to as 'differently abled'.