John Len Ruela Adamo Pearce is an Australian singer, dancer and children's entertainer best known as a member of Justice Crew, and also a member of the children's band The Wiggles where he wears the purple skivvy alongside Lachlan Gillespie.

• THX 1138 (1971)

  
• The Great Northfield Minnesota Raid (1972)

  
• Ulzana's Raid (1972)

  
• Hot Potato: The Story of The Wiggles (2023)