Potty Mouth is a toilet-headed villain. He was first seen at Mr. Boss's assembly in Operation: M.O.V.I.E. but only officially appeared in Operation: A.W.A.R.D.S. where he won the Villain's Choice Award for "Best Toilet-Based villain" over the Toilenator. He also appears briefly in Operation: I.N.T.E.R.V.I.E.W.S. with Knightbrace, when they try to steal the Queen Tie's larva and were soon eaten by the Queen herself. His catchphrase is "You're poopin' right!".