The trainer is a golden brown, muscular fish with yellow lips and a gold and yellow striped dorsal fin. He wears a light blue speedo.
He only appears in "The Krabby Kronicle" as a gym trainer who formerly had Larry the Lobster as a member of his gym. He is a reader of the Krabby Kronicle and believes Larry is a wimp after a fake headline that he was beaten up by a weaker fish. He is first seen kicking Larry out of his gym due to Larry embarrassing his reputation, which upsets Larry. In actuality, Larry let the fish punch him and he had no problem with the punch, but due to the timing of the photo and the false headline, it ends up looking like he was actually feeling pain and getting beaten up. The trainer does not let Larry explain what really happened and bans him from the gym forever.