It is easy to see that you don't have the game, because he is one of the many characters you start with!
You don't need to. Pokemon Trainer is already a starting character, whom you don't need to unlock.
Beat clasic mode as the Pokemon Trainer to get the Pokemon Trainer trophy.
Pokemon Trainer, who uses these Pokemon, is available from the start. You don't have to unlock him.
You can't. You can only unlock Pikachu, Lucario, Jiggilypuf, & Pokemon Trainer.
you unlock ness, captian falcon, wolf, falco, marth, toon link, jiggilypuff, sonic, solid snake, lucario, falco, Pokemon trainer, mr game and watch, R.O.B., luigi, and gannondorf
Pokemon Trainer uses Ivysaur, Charizard and Squirtle.
Not available on Brawl, and never will be. Sorry.
Raichu is not a playable character in brawl. The only Pokemon characters are the Pokemon Trainer, Jigglypuff, Lucario, and Pikachu. All of them can be obtained on a playthrough of the Subspace Emmisary mode, which is the easiest way to get them, as far as I know.
No. But that would be epic.
The playable pokemon in brawl is Lucario, Pikachu and Jigglypuff. There is also the pokemon trainer who controls Squirtle, Ivysaur and Charizard.
Rayman is not an unlockable in Super Smash Bros. Brawl.
Super Smash Bros. Brawl does not feature a Pokemon Center stage.