Rapper, <PERSON> of Three Six Mafia has Erb-Duchenne palsy, which resulted in him having a malformed (baby-like) arm. Due to nerve damage to his arm in his youth, his arm never developed properly. He refers to it as his ``baby arm''. Three Six, Facial Scars, Unusual Facts, Unbelievable Facts, Celebs, Celebrities, Famous Faces, <PERSON>, Im Not Perfect