Peter Clarner was the boyfriend of Debbie Foley but was always deeply insecure, taking out his insecurities on Debbie in the form of emotional and physical abuse - which he then manipulated her into accepting, stating that she was to blame. In an effort to make himself more desirable to Debbie, Peter created a strange formula to "improve" himself. However, this formula only served to worsen his already paranoid and aggressive nature - transforming him into a superhuman brute similar to the iconic monster Mr Hyde.