Tony Hawk's Pro Skater 4 Cheats

To get mystery skaters you must beat the game with $42,000 or more.
The myster skaters you can get are Metal Head, Dark Warrior, Daisy,
and Mike Vallely. 

All of the following moves are performed when your character's special meter is flashing yellow:

Go to cheat menu then type in watch_me_xplode

Secret Created Skaters
Enter one of the names listed below to create a pre-made secret skater:
#$%@!
Aaron Skillman
Adam Lippman
Andrew Skates
Andy Marchal
Angus
Atiba Jefferson
Ben Scott Pye
Big Tex
Brian Jennings
Captain Liberty
Chauwa Steel
Chris Peacock
ConMan
Danaconda
Dave Stohl
DDT
DeadEndRoad
Fakes The Clown
Fritz
Gary Jesdanun
grjost
Henry Ji
Jason Uyeda
Jim Jagger
Joe Favazza
John Rosser
Jow
Kenzo
Kevin Mulhall
Kraken
Lindsey Hayes
Lisa G Davies
Little Man
Marilena Rixfor
Mat Hoffman
Matt Mcpherson
Maya's Daddy
Meek West
Mike Day
Mike Lashever
Mike Ward
Mr. Brad
Nolan Nelson
Parking Guy
Peasus
Pete Day
Pooper
Rick Thorne
Sik
Stacey D
Stacey Ytuarte
Stealing Is Bad
Team Chicken
Ted Barber
Todd Wahoske
Top Bloke
Wardcore
Zac ZiG Drake

Press up, and keep the balance steady. If you did it right, you should beat the goal.

Go to the store and Spend at least $250.