"Star Wars" has a seemingly never-ending supply of alien designs. However, these five are the worst of the bunch, falling flat in their respective films.

So much more than the earwormiest theme song in the galaxy.

Add Yahoo as a preferred source to see more of our stories on Google. Admiral Ackbar directing his troops in Star Wars: Return of the Jedi (1983) - Lucasfilm Controversial Star Wars details often ...