“ My patty doesn't have enough slime! ” — Incidental 20, Gary's Got Legs Character Gallery Incidental 20 is a fish who makes several cameo appearances throughout the series. He is usually seen at the Krusty Krab and Goo Lagoon. Description He is a light gray colored fish with dark purple arms and a long dark purple dorsal fin and has several purple spots. He wears a red speedo. History He went to the Krusty Krab with Jennifer Millie in "Pickles" and with Tina in the episode "The Algae's Always Greener." Sheldon also appears in the episode "Walking the Plankton," jumping off the ship after Karen splits it in half. He is also a friend of Squilliam Fancyson. He also appears in the episode "The Nitwitting" as a member of the Empty Head Society. Incidental 20's model Trivia He likes the Krabby Patties with snail slime. Retrieved from "https://spongebob.fandom.com/wiki/Incidental_20?oldid=2671856" Categories: Characters Male characters Fish Background characters The SpongeBob SquarePants Movie Movie characters Book characters The SpongeBob Movie: Sponge Out of Water Video game characters Unnamed characters Community content is available under CC-BY-SA unless otherwise noted.