Captain Crook was McDonald’s 1970s advertising character associated with Filet-O-Fish sandwiches.
Captain Crook appeared as a pirate-themed figure in the McDonaldland advertising universe. His costume and language connected him with seafood, making him a character-based way to promote the Filet-O-Fish rather than presenting the item only through ordinary product advertising.
He was part of a larger cast that included Ronald McDonald, Mayor McCheese, the Hamburglar, Grimace, and the Fry Kids. The characters gave McDonald’s advertisements a shared setting and made menu items part of an imaginative fictional world.
Captain Crook is often confused with other McDonaldland figures because several characters had exaggerated costumes and distinctive roles. His defining association was the Filet-O-Fish, while Mayor McCheese represented the fictional town’s civic identity.