RAEJDUK. not kidding. played the game like 5 times.
11922911
heres the code 11922911
Here is the code:993E41C6E209 B3A00AD93EOC 5840956756C1
Signed, ANONYMOUS
Insert a Megaman Battle Network game into the secondary slot of your DS, then pulse in. Now go to the DogHouse near Bud's house and you'll find Megaman there.
You go to beach 2 and if you have the code go to the hospitalcube and open it and follow the path
you hold select and imput the compression code you can find those on the internet
that's easy you can't trust me t've tryed i can't find anything
http://cheats.codetwink.com/gba/view/5047/
I don't know if there are any, but other character modifiers exist. With a little tinkering, you might be able to create one that makes Megaman take the form of Darkmega.
From a Yurt in the Beach area. Keep battling them till you get the right code--you may need to S rank them.
u can find them at this site http://www.gamefaqs.com/boards/genmessage.php?board=929993&topic=31803681&page=11