NASCAR 2005: Chase For The Cup cheats and cheat codes for Gamecube

Go to the Edit Driver screen then type the following case-sensitive 
first and last names:

Unlock all bonuses:
First name: "Open"
Last name: "Sesame"

Unlock Dale Earnhardt Sr.
First name: "The"
Last name: "Intimidator" 

Get 10,000,000 fans
First name: "MakeMe"
Last name: "Famous"

$10,000,000
First name: "Walmart"
Last name: "NASCAR"

Unlimited money in franchise mode:
First name: "Walmart"
Last name: "NASCAR"
Then go to "Edit Driver" option,  then press Circle to go back. 

Get 2,000,000 prestige points:
First name: "You"
Last name: "TheMan"

Unlock every Dodge Track events:
First name: "Dodge"
Last name: "Stadium"

Unlock Lakeshore Drive track:
First name: "Walmart"
Last names: "Exclusive"

Unlock all Mr. Clean cars:
First name: "Mr.Clean" 
Last name: "Racing" 

Unlock Mr. Clean pit crew:
First name: "Clean" 
Last name: "Crew"
or
Buy for 25,000 pt. platinum card

Maximum prestige:
First name: Big
Last name: Star

Old Spice tracks:
First name: OldSpice
Last name: Venue

Auto Zone cars:
First name: GetIn
Last name: TheZone

Dodge cars:
First name: Race
Last name: Dodge

Levi Strauss cars:
First name: Levi
Last name: Stauss153

Old Spice cars:
First name: OldSpice
Last name: Motorsports

Skill Points:
You earn skill points by completing lightning challenges and doing 
different moves on the track. Then you can spend your skill points 
on thunder plates.