Duck Dodgers:
At the Main Menu press L2, Square, Square, Triangle, Circle, Select
.

Evil Scientist:
At the Main Menu press Square, Circle, L2, R2, Triangle, Select .

Foghorn Leghorn:
At the Main Menu press Right, Right, L2, Square, Square, Select .

Genie:
At the Main Menu press Square, L1, R1, Triangle, Circle, Select .

Gossamer:
At the Main Menu press Triangle, Circle, R2, R1, Square, Select .

Granny:
At the Main Menu press Circle, Triangle, Triangle, L1, R1, Select .

Hector:
At the Main Menu press Triangle, L2, L1, Triangle, Square, Select .

Pepe Le Pew:
At the Main Menu press Left, Right, R1, Circle, Square, Select .

Rocky:
At the Main Menu press Triangle, Left, R2, Circle, Circle, Select .

Sylvester:
At the Main Menu press Left, Left, L1, Triangle, Circle, Select .

Yosemite Sam:
At the Main Menu press Left, Right, R2, Square, Circle, Select .

ACME Factory track:
At the Main Menu press L2, R1, R2, Triangle, Circle, Select .

Duck Dodgers Speedway track:
At the Main Menu press Circle, Left, Square, Square, R2, Select .

Forest Speedway track:
At the Main Menu press Triangle, R2, Left, Triangle, L1, Select .

Garden Speedway track:
At the Main Menu press R1, Right, Left, L1, Square, Select .

Planet X Speedway track:
At the Main Menu press R1, Square, Circle, L2, Triangle, Select .

Planet Y track:
At the Main Menu press Right, Left, Triangle, L2, L1, Select .

Wackyland track:
At the Main Menu press L1, Circle, Square, R2, Triangle, Select .

Duck Dodgers:
At the Main Menu press L2, Square, Square, Triangle, Circle, Select .