Incidental 37A, also known as Incidental BM37 is a background character usually seen hanging out at Goo Lagoon with Incidental 46. He first appears in the episode "Ripped Pants." He is classified as a "hotdog" type incidental.
He is a grayish-brown fish with black eyes and gray lips. He usually wears light green shorts with a dark green flower design, which are similar to Patrick's.
Role in series
He is first seen when Larry the Lobster uses his volleyball to knock over him and two other fish.