Gilligan was a proto-hipster. As Maynard G. Krebs
he pioneered the unwashed, bedbug-incubating dirty clothes and greasy, unkempt, lice-infested bed hair look favored by countless toilet paper tube necked, pipe cleaner armed, Dinty Moore lumberjack shirt wearing Q-Tip physiqued geeks named Quaid, Zach and Montague.
Skipper was just a fat slob.