The Onion's AV Club presents 13 Memorably Unpopular Characters from Popular TV. Scrappy Doo is deservedly first on the list, followed equally deservedly by Cousin Oliver.
Ooh, I almost forgot about Duke scab cousins, Coy and Vance. Whatever happened to them? And how sad is your job when people are dissing you because you're not Tom Wopat, fer cryin' out loud?
I'd demand to know why Cousin Pam from "The Cosby Show" didn't make the list, but really, no one was watching that once-great show at that point.