Bet you didn't know that Yoda had a side job, huh? I found this in Charlie's Lego people. He likes to take them all apart and re-arrange them. Yoda, I believe, is a bus driver for an underwater bus system that is frequented by Spongebob and the gang.
Either that, or a pilot. He also will be seen with a sword of some sort. Well...he is Yoda. Right now it looks like he's using the force. "Exact change you will pay". Poor Yoda...these are tough economic times. He was probably heavily invested in the market.