Cheats for Fire Pro Wrestling A (GBA)

All wrestlers
Select "Edit Wrestler", then choose the "Name Entry" option. Enter "ALL" for "Nickname", "STYLE" for "First Name", and "CLEAR" for "Last Name". Then, set "Exchange" to "Off", "Middle" to "Space" (Square icon), and press Start. Press B until you return to the main menu. All wrestlers will now be unlocked. -From: jkool@enter.net

Hidden wrestlers
The following are found after unlocking all the wrestlers: