Brodi:
Enter zenmaster as a case-sensitive code. Enter a lodge, select rider detail, then 
choose cheat character. Alternately, complete the Peak 1 Lodge.

Eddie:
Enter worm as a case-sensitive code. Enter a lodge, select rider detail, then 
choose cheat character. Alternately, complete the Peak 2 Lodge.

Luther:
Enter bronco as a case-sensitive code. Enter a lodge, select rider detail, then 
choose cheat character. Alternately, complete the Peak 2 Lodge.

Unlocks:
Bunny San:
Collect all the art. 

Canhuck:
Complete the Peak 3 exploration goal. 

Churchill:
Complete the Peak 3 freestyle. 

Cudmore:
Complete the Peak 3 earnings Goal. 

Far East Myth:
Get 100% in all mountain stats. 

Gutless:
Get a medal in all events. 

Hiro:
Collect all the trading cards. 

JP:
Complete the Peak 1 Lodge. 

Jurgen:
Complete all Peak 1 goals. 

Marisol:
Complete the Peak 1 Lodge. 

Marty:
Complete the Peak 2 Lodge. 

NW Legend:
Complete all peak 3 goals. 

Seeiah:
Complete the Peak 2 Lodge. 

Snowballs:
Complete all Peak 2 goals. 

Stretch:
Collect all the posters. 

Svelte Luther:
Collect all the toys. 

Unknown Rider:
Complete all peak 3 race goals.