You're not Krabby the Clown.
List of characters
Incidental 103 is a background character who makes several cameo appearances throughout the series, starting in the episode "  Valentine's Day."
He is a light orange fish with darker orange lips and black eyes. He wears lime green pants and a black belt with a golden belt buckle.
Role in series
He is seen watching
Patrick wreck the carnival.
He is seen having a birthday party.
He is thrown into a door by
Sergeant Roderick after accepting his bon-bons.
He is seen doing
the cramp in the epilogue which causes his mother to worry and call the emergency hotline due to thinking he is seriously injured. But then he tells his mother that he was only doing a dance move called "The Cramp."
^ Incidental character model sheet