These injuries may have been the cause of his later mental problems: in his next appearance Quinn would never speak. Another mission as the Resistants was a failure as well, so the team changed its name back to Mutant Force, but by now Peeper was becoming afraid during combat. Mutant Force was defeated and Quinn, now calling himself Peepers, was imprisoned at "The Cage". Wolverine and the Beast met him and befriended Peepers, who by now was a stuttering, nervous mutant who had become mentally unbalanced. Peepers repeatedly stabbed a prisoner who tried to kill Beast at this time. Shortly afterwards he was released and became a bartender at Satan's Circus, a bar for supervillains.