Jack Smash is Teriyaki Yoko's agent. He debuted in Um Jammer Lammy.


When Lammy slips on a banana peel and lands in Hell (or snags her clothes on a doorknob and gets launched onto the island), she is mistaken for Rammy and recruited by Jack Smash to play in Teriyaki Yoko's concert.


Jack Smash is a Jack-O-Lantern with an anthropomorphic body. He is seen wearing a green suit and yellow tie with a black undershirt. He is wearing red shoes and blue-and-yellow shades as well as a ring on his right pinkie finger.

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