Result - code:

Unlock everything - 050399
Unlock all bonus characters - HIGH SOCIETY
All clothes and skates - THE EMPERORS NEW CLOTHES
All Movies - NOW PLAYING
All tricks mastered - MERLIN
Level select - TICKET TO RIDE
Max reputation - COOL DUDE
Max stats - BEEFY
One trick juice bar - FULLTANK
Perfect balance - FOCUSSED CHICKEN
Unlock all morph heads - PROTEUS
Unlock all tricks - BAG OF TRICKS