A legendary pirate whose supposed treasure drives the plot. The gang discovers that Gnarlybeard was actually Shirley in disguise, and the real treasure consists entirely of beard and hair care products rather than gold or jewels.
Shirley is revealed to be the pirate Gnarlybeard in disguise.
Stu claims a familial connection to the pirate.
Explore the full interactive character relationship map of Scooby-Doo! Adventures: The Mystery Map