LEGO Star Wars II: The Original Trilogy [GC]

Character unlock codes
Entered at the bar at the Mos Eisley Cantina between levels.

Password - Effect
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
UCK868 - Beach Trooper
BEN917 - Ben Kenobi's Ghost
VHY832 - Bespin Guard
WTY721 - Bib Fortuna
HLP211 - Boba Fett
BNC332 - Death Star Trooper
TTT289 - Ewok
YZF999 - Gammorean Guard
NFX582 - Gonk Droid
SMG219 - Grand Moff Tarkin
NAH118 - Greedo available for purchase
YWM840 - Han Solo w/hood
NXL973 - IG-88
MMM111 - Imperial Guard
BBV889 - Imperial Officer
VAP664 - Imperial Shuttle Pilot
CVT125 - Imperial Spy
JAW499 - Jawa available for purchase
UUB319 - Lobot
SGE549 - Palace Guard
YDV451 - Sandtrooper available for purchase
PTR345 - Stormtrooper
HHY382 - The Emporer
PEJ821 - Tusken Raider available for purchase
UGN694 - Ugnaught

Infinite Studs
When in a double score area with another human player, kill them and collect their studs. Repeat this to gain the desired amount of studs. The amount lost will remain the same, while the amount gained after picking your partners up will be doubled.