The unnamed kid is an elderly looking kid who appears in the episode "Lost and Found."
He is a pale orange fish with wrinkles and sharp teeth, who has dark mustard yellow fins. He wears a red shirt, a red hat and dark blue pants.
Role in episode
He is apart the group of elderly kids who got lost in the Lost and Found. In the episode, he eats a candy meal and blows a purple bubble out of it, and when the elderly kids are building a tower, he is the fish at the bottom, commenting "Aw, come on!" He, along with the other elderly kids, reunite with their parents, his parent being blue Old Man Jenkins.