Pokemon Trainer, who uses these Pokemon, is available from the start. You don't have to unlock him.
The easiest way: have him join you in Brawl.
Bomberman isn't in Super Smash Bros Brawl.
No
No.
Mewtwo was not included in Super Smash Bros Brawl, so you can't unlock or play as him in the game.
You can't unlock Darkrai in Super Smash Bros. Brawl. If you hear a rumor it is obviously fake.
You cannot unlock 8 bit Luigi in Super Smash Bros. Brawl. You can unlock Luigi though.
play alot
Rayman is not an unlockable in Super Smash Bros. Brawl.
he's not in brawl
If you're thinking of the Sonic Riders character, you cannot unlock him in Brawl.
NO!