Via MediaIte: Fresh off their Oscar appearances last Sunday, these two are embroiled in a battle of galactic proportion. Last Night on Jimmy Kimmel Live, Movie-Icon, Mark Hamill made an appearance to promote his upcoming Star on the Hollywood Walk of Fame. Jimmy wanted to congratulate him until he found out where Hamill's star was going to be located. Hilarity ensued (for the audience) but meanwhile a "Star War" was born between the two. Here's the clip below from ABC T.V.