No you can't only on ps3 360 and Wii are cheat codes available.
You need to hit the enter key and type the code and hit enter again.
What is the cheat code for the snow trooper in Lego star wars 3 for the wii
The cheat code to unlock C-3PO in Lego Star Wars 3 is 574226. To enter this code open the pause menu, then go to extras, click on enter secret code and enter the code provided (this code works for Wii and Xbox I can not be sure that it will work on any other game system).
EMP666 is the code for the emperor
There is a code but you have to buy it in real money in Lego Star Wars cards and enter it. It's available in America, Hong Kong and most of the countries.
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KISSEDMYSISTER
There is not a code for him. And you can not unlock him. Sorry.
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