Clay Matthews first appeared in TMNXT 18. He was in a ladder match with Smoke, Donkey Kong, Nacho Libre, Black Ranger, and The Man in the Yellow Hat. He had a war with DK and won the ladder match.
TMNXT Season 2Edit
He was drafted to The Little Cruise that Could in the third round. His first match involved him, Piccolo, Walter White, Knuckles, Tony the Tiger , and the winner Ray Lewis. In the D-League Royal Rumble, he was impressive. He eliminated Android 18, MITYH, Curios George, and Knuckles. In his elimination chamber match, he entered last and eliminated Bowser winning him the match.