He is a dark green brown plankton. He has one eye,one known tooth, and sideburns. His antennae are shorter than Sheldon's antennae. He is shorter than Sheldon and Clem.
He came to the Chum Bucket after receiving one of Sheldon's numerous calls for the family's assistance. Once he entered the Chum Bucket, he was granted root beer if he and the rest of the family helped Sheldon steal the Krabby Patty Secret Formula. He later assisted him to find out that the "secret ingredient" was mashed plankton.