How both Cody and Thomas met is unknown. It is also unknown if Cody is aware of Thomas' true nature.
After Rigby got humiliated on television and wanted a rematch, he helped Benson and Rigby see what the subject of an upcoming episode of Expert of Liar was. He also gave the advice that Expert or Liar can't do repeat guests.
Cody wears a green-ish yellow hoodie with a white shirt underneath, blue pants, and black shoes. He has a small goatee and fluffed-up hair.