still in service today, Rebel Yell . Meanwhile sharp-eyed audiences will catch glimpses of some of the costumed Hanna Barbera characters roaming the park, including Banana Splits members Fleagal and Bingo... ...and despised Scooby-Doo spin-off, Scooby-Dum . Magic Mountain's Revolution coaster, incidentally, seemed to be a real draw for terrorists. Just a