To unlock Lady Gaga, you have to beat Classic Mode with Black Eye Peas.  Then you have to
poop in your Gamecube, close the lid, and then beat Classic Mode.  This will unlock Poop
Jr.  Then beat Classic Mode with Poop Jr. and you'll unlock Poop's wife, Mrs. Poop!  Then
beat Mrs. Poop's Target Test and then dye your hair blue and put one of your blue hairs in
the Gamecube.  You will then unlock Jimmy T!  Now beat Classic Mode with Jimmy T and
you'll unlock Lady Gaga!

OK,TO GET MEWTWO PUT THE TIMER ON 99 MINUTES,SLOMO,U AND YOUR FRIEND WILL HAVE 2 BE
DR.MARIO ON TEAMS GREEN AND PUT BOWSER AND DK ON RED TEAM AND ONLY POKEBALLS NOW GO TO THE
TEMPLE (FROM ZELDA)ALSO PUT BOWSER AND DK ON LEVEL 1 WHILE YOUR FIGHTING THEM MAKE SURE
YOU GRAB ALOT OF POKEBALLS AFTER THE TIME RUNS OUT U WILL VS MEWTWO OR IF MEWTWO DOESN'T
COME UP THEN IT MIGHT BE PICHU

If you want Micky all you have to do is

.sing the ABC's

.Watch Micky Mouse Club House

.Then be Jake Long:The americn dragon And Do Classic very hard 1 life NO CONTINUES

.vs Him

.Beat him and he's *****

to unlock celebi go to all_star mode in very hard 1 life (no damage) with all pokemons
then go to v.s. mode and then go to item switch and put pokeballs and then select pikachu
and mewtwo dificulty level 9 and put pokemon stadium stage   and then find celebi pokeball
10 times and then celebi fight you and you win celebi its yours

put three pices of capt. crunch into the gamecube and it will read it and you should have 

capt. crunch.(THIS DOES REALLY WORK IT'S SOOOOOOOOOOOOOOO SIMPLE.tooooooooootalyyyyyyyy

play small melee 4x. but you have to play as peach 2x and zelda 2x. then after the 4th 1,
play a regular match as any 1 and you will be invincable.

THIS IS REAL 

First you have to beat classic and adventure mode with captain falcon and ganondorf with
two lives 

in hard mode, then not shoot to the credits and later he will aparence with his entrance
music and the WWE belt around his waist, beat him and he will be yours. Be carefull with
his F-5

Believe me

first go to the classic mode then after that ya choosesonic read a sonic cheat first ok
then at the end of it shoot at least 80 peices of writing and a foe has challenged you.

THIS IS TRUE. ****************

do not listen to the rest of these people i have done it and i swear its soo true!

defeat classic mode once with dr. mario and then go to the main menu and type in "ABXRL"
AND THEN DEFEAT "EVENT 1" 6 TIMES. IT WILL SAY A FOE IS APPROACHING AND BEAT HIM AND HE'S
YOURS FOR 8 hours of play. repeat to get him back. THIS IS SOOO TRUE

THIS ACTUALLY WORKS. Go to Captain Falcon Event race, and when the cars come by, you must
get hit by the silver one. The exact second this happens, pause the game and turn on Pimp
My Ride. Watch it until the end, and right as X says You've officially been pimped, turn
off the gamecube. Turn it back on, and you have X-Zibit

Unlock Giga Bowser, Master Hand, Crazy Hand, the Wireframes, Sandbag, and even have
enemies like like likes for the item switch, play on any stage, like race to the finish, a
test map, and the trophy tussle stages and trophy getting stage although they freeze
frequently, get a action replay and type in this code i forgot. Go look it up. (Sandbag,
Master Hand, and Crazy Hand don't do anything, except Sandbag can walk and jump.) You can
also make Giga-giga-giga-giga-giga bowser. Change people's colors like shadow link. If
characters like the hands win, it freezes the game.

Beat adventure mode as Mario, the play a vs. match being Mario (human) vs. Luigi
(computer), make sure Mario wins, it will say Master Hand has came, you must beat him then
it will say that you have unlocked all playable characters.  

to unlock shadow queen from paper mario the thousand year door beat the game as crystal
king hooktail gloomtail mario lugi and paper mario

Get 90000000000 in the home run thingy with dr mario (with bat) and then win the game 5
times and fight on endlles melle for 99 minutes EXCATLY (Use a cronometer) and thin go on
all star on really hard 1 life with yoshi NO CONTINUES and then she will apper kill her
and shes yours

To get the SMW mario,go to adventure mode and select Mario.There is a cheat to go to
forest of illusion.Beat Forest Of Illusion on hard,1 life no dying.Then,beat classic mode
as Luigi.Finally,have a match Mario VS Luigi at SMB2 stage.Finally,kick his arse and he's
yours.To unlock his level(Donut Plains),beat adventure mode as him.The level's song is the
first level of super mario world for NES.

To unlock criss angel use only mewtwo and use psychic moves only.you must beat
classic,adventure&all-star on very hard.then you will unlock him.

to unlock earthworm jim u need to fight a lvl.9 mewtwo hadicap 1,a lvl.8 kirby hadicap 2
(the hadicaps feture the ewj games 1&2) after that use yoshi and do home run contest then
hit the sandbag over 5,000 ft. then you will have to fight ness in a coin match then beat
him then do adventure,classic and all-star very hard (no continus) you then get a queen
slug-for-a-butt,prof. monkey for a head earth worm jim ect. then fight him and hes
yours.NOTE:for a 3-D earth worm jim fight a lvl.3 handicap 3 bowser and ONLY have items
that start with a d and earthworm jim in 3-D will fight you kill him and hes yours to
keep(3-D earthworm jim is from EarthWorm Jim 3-D)

TO UNLOCK M&G YOU HAVE TO Beet targets whith all of the carickters or fite Advancher mode
with all of the chariktors

Do 1 battle with each characters pink form, if they have one.then beat allstar with pink
luigi on easy with 4 lives.then kill zelda (not sheik) 50 times with the boxer from
punchout.then kill EXACTLY 2 dumbos on cruel mode.then beat classic and adventure with
jigglypuff on very easy with 2 lives.then pink panther will fight you.beat em and hes
yours!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Beat adventure with fox on very easy.then kill 5 ideots on cruel melee with fox.then go to
vs. mode and be falco and kill a falco lv.7 with 5 lives.then he will challange you.lose
to him and he is yours!