I gotta say mine is Shreako for the sense of humor. And yeah, I know Uncle Hide-and-Seeko wasn't a Boo Brother, but you gotta love that name so I included him as an option just for fun haha.
Here's the results from last week's poll:
Who is your favorite character?
Scooby-Doo - 36
Shaggy - 16
Fred - 8
Daphne - 7
Velma - 7