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The coach is a muscular fish with a white shirt, blue shorts, and a blue hat. He is light olive green with a light orange dorsal fin and carries a silver whistle.
He appears during Patrick's flashback while young Patrick is reciting his poem and the coach angrily claims that it was gym class before Patrick is pelted with dodge balls. He later appears at the end of the episode and claims that Patrick needs another lesson. He, along with a crowd get their dodge balls ready and start pelting Patrick with the balls.