Nat Peterson - yellow fish with purple fin, what made lots of apperances in the real show. In this show he is in all episodes. If you want see more about him, click this:[1]. Clayton - light blue fish with blue stripes. He's Nat's best friend. If you want see more about him, click this:[2] Anthony - orange fish who's also Nat's and Clayton's friend. He falls in love with Molly one time. Pilar - Nat's friend, but Clayton does not like him. Medley - Green fish with big green fin. Mevis - Big green fish with orange glasses.