Captain Crook was the McDonaldland character linked to McDonald's Filet-O-Fish sandwich.
Captain Crook was presented as a pirate-themed character whose food association was the Filet-O-Fish. His role extended McDonald's mascot branding beyond hamburgers and gave the fish sandwich a distinct figure within the fictional McDonaldland cast.
The character is often confused with the Hamburglar because both were mischievous figures. The Hamburglar targeted hamburgers, while Captain Crook's defining product connection was the Filet-O-Fish.
McDonaldland characters served as recurring advertising devices rather than realistic product spokespeople. Their separate identities allowed McDonald's to give different menu items and brand themes memorable visual associations.