In 'Peanuts' TV specials, what is the name of Charlie Brown's dog?

Which Looney Tunes character's catchphrase is "What's up, Doc?" Which Looney Tunes character ends cartoons saying "Th-th-th-that's all, folks!"? Which Looney Tunes character constantly chases the Road Runner? Which company does Wile E. Coyote buy his gadgets from? In 'A Charlie Brown Christmas', what kind of Christmas tree does Charlie Brown choose? In 'Dexter's Laboratory', what is the name of Dexter's annoying sister? What are the names of 'The Powerpuff Girls'? In 'Gravity Falls', in which state is the town of Gravity Falls located?