That's right - Luke Skywalker. Or, as Jared describes it, "LUCK SKY WOKR". Not too freakin' bad for a four year old!
"An S the best I can try, R2D2, C3P0, TK-41, and Battle Droid"
"Lord Vader" (yes, he calls him Lord Vader. It drives me nuts. "Darth" would do, boy.)