Godzilla - Destroy All Monsters Melee cheats and cheat codes for Gamecube

Cheat mode
Highlight "Versus" mode at the main menu, then hold L + B + R in order, 
then release B, R, L in order to bring up the cheat code entry screen. 
Enter any of the following cheat codes to enable different cheat 
effects. Note: If the codeas are accepted, you should hear a sound.

All buildings and objects are throwable: Enter 756287
All cites: Enter 480148
All monsters (except Orga): Enter 696924
All players invincible: Enter 505634 
All players invisible: Enter 316022
All players strong: Enter 817683
All players tiny: Enter 174204 
Disable energy power-ups: Enter 413403
Disable freeze tanks: Enter 841720
Disable health power-ups: Enter 562142
Disable life and energy display: Enter 443253
Disable Mothra power-ups: Enter 134615
Disable rage power-ups: Enter 119702
Eleven continues: Enter 760611
Energy weapons harder damage: Enter 650867
Health regenerates: Enter 492877
Indestructible buildings: Enter 112122
Monochorme mode: Enter 567980
Play with Destoroyah: Enter 537084
Play with Gigan: Enter 616233
Play with Godzilla 2000: Enter 225133
Play with King Ghidorah: Enter 877467
Play with Mecha Godzilla: Enter 131008
Play with Mecha King Ghidorah: Enter 557456
Play with Orga: Enter 202412
Play with Rodan: Enter 104332
Player 1 always in rage mode: Enter 649640
Player 1 always maximum health: Enter 677251
Player 1 invincible: Enter 843901 
Player 1 no energy gain: Enter 650867
Player 1 small: Enter 986875
Player 1 super strong: Enter 511012
Player 2 always in rage mode: Enter 122224
Player 2 always maximum health: Enter 435976
Player 2 invincible: Enter 706149
Player 2 invisible: Enter 459113
Player 2 small: Enter 971934
Player 2 super strong: Enter 815480
Player 3 always in rage mode: Enter 548053
Player 3 always maximum health: Enter 603696
Player 3 invincible: Enter 188522
Player 3 small: Enter 895636
Player 3 super strong: Enter 212454
Player 4 always in rage mode: Enter 451242
Player 4 always maximum health: Enter 291680
Player 4 invincible: Enter 286552
Player 4 small: Enter 795735
Player indicators always on: Enter 135984
Show version number: Enter 097401
Technicolor mode: Enter 661334
Toggle military: Enter 256806 
Watch credits: Enter 176542

Unlock Mothership level
Finish the adventure mode with Mecha Godzilla

Unlock Space Godzilla
Finish the adventure mode with every character in hard mode.
Note: Need complete adventure mode twice with Orga

Gallery images:
Collect all Atari power-ups 

Taunt
Press B + X or A + X.