It's just you, I don't have Lego Star Wars. (It was rated better than the real Star Wars game by a dutch gaming magazine!)

jjstuff - Jazz smokes stuff, because stuff is good!
jjbot - A second rabbit as your co-player controlled by the pc.
jjstupid - Disables cheats until you restart JJ3.
jjautoaim - Jazz aims automaticly.
jjflight - random aircraft appears right in front of your nose, can be entered and flown ofcourse.
jjshowallevents - Activates box that counts all triggers and events and categorises them.
jjhahaha - Jazz uses laughing gas as a weapon.
jjahahaha - Jazz becomes Fooruman!