Jimmy Neutron/Star Wars

Jimmy as Luke Skywalker

Daphne Blake (from Scooby-Doo) as Princess Leia

Fred Jones (from Scooby-Doo) as Han Solo

Scooby-Doo (from Scooby-Doo) as Chewbacca

Deadshot (from Batman: The Brave and the Bold) as Darth Vader

Lex Luthor (from Batman: The Brave and the Bold) as The Emperor

Carl as R2-D2

Sheen as C-3PO