The Hamburglar was McDonald’s striped-shirt character who appeared in the 1970s as a thief who stole hamburgers.
The character became part of McDonaldland, McDonald’s fictional advertising world populated by figures such as Ronald McDonald, Grimace, Mayor McCheese, and Birdie. Early versions of the Hamburglar had a more sinister appearance and limited speech, while later versions were redesigned to look younger and more playful for children.
The Hamburglar’s visual identity relied on recognizable thief imagery: striped clothing, a mask, and a fixation on hamburgers. That made the character easy to understand across language barriers and gave McDonald’s advertising a recurring comic conflict. The character’s behavior was presented as fantasy rather than realistic criminal conduct.
The Hamburglar is sometimes confused with Captain Crook, another McDonaldland character associated with stealing fish. The Hamburglar specifically targeted hamburgers, and his name is the distinctive clue connecting him to McDonald’s signature sandwich.