He is a short, olive green fish that wears nerd glasses.
His first appearance was in the episode "Ripped Pants." His second appearance was in the episode "Plankton!" He appears in "Pickles" at the Krusty Krab again in the background several times. He briefly appears in "Suds" in the Krusty Krab again when Mr. Krabs said, "I just can't have you sneezing all over my food!" He is shocked and disgusted and runs out of the Krusty Krab as well as the other customers.