Marcus was into things like Led Zep and Floyd, that area. In 1982 James Valentine joined Joe Camilleri's group, Jo Jo Zep. There he found Alison and Diana Gordon being held captive by Zep Hindle. He also played drums with Jo Jo Zep & The Falcons amongst other bands. Ecolab sold its vehicle care business to Zep, Inc. on 1 December 2012. Alison and Diana are held hostage by Zep Hindle as a part of Lawrence's test. Alison frees herself and fights Zep for his gun, after he calls Lawrence. Tesla continues to manufacture and sell products originally developed by Zep Solar. His mother called him Zep and he became known as Jo Zep. In 2006, he was involved in a Led Zeppelin covers band called The Zep Boys. Zep Solar's technology eliminates the need for mounting rails on many roof types.