If you were looking for the article about the surfer from "Bubble Buddy", then see Grubby Grouper. Location Gallery Grouper, Goby & Koi is an ad agency. Its main head ad executives are Don Grouper, Barry Goby, and Rob Koi, hence its name. They appear in the episode "Goodbye, Krabby Patty?" Description They are a group of people who are part of an ad agency. The main head are Don Grouper, Barry Goby, and Rob Koi, as well as Limia and Mr. Floyd. The baby executive joins the group during the episode replacing Mr. Floyd, who got fired. Role in episode They are the agency who helps Mr. Krabs with his frozen Krabby Patty ad campaign, and also on the frozen Krabby Patty business in general. Retrieved from "https://spongebob.fandom.com/wiki/Grouper,_Goby_%26_Koi?oldid=2360094" Categories: Locations Locations with one appearance Locations in Bikini Bottom Groups Community content is available under CC-BY-SA unless otherwise noted.