Norville "Shaggy" Rogers is a fictional character and one of the main characters in the Scooby-Doo franchise. He is generally depicted as cowardly, lazy, an amateur detective, and the long-time best friend of his cowardly dog, Scooby-Doo.
Often times in film and television, a character has a hair style that is so iconic you always remember it as that character's signature look.
Upvote for Iconic, not for if the style was cool.