You can't get him.
you can't unlock tabuu in this game, but you could battle him in the subspace emissonery.
Sorry, you can't unlock him. That would be awesome though
Tabuu is not an unlockable character on Brawl.
One word: YES!!!!
To unlock tabuu you have to...play 100,000vs matches.
If you mean playing as Tabuu you cant so you cant unlock strictly speaking.
You cannot play as tabuu, therefor, cannot 'get' him.
Tabuu is a Pokemon a rare Pokemon.
You Cant
You can't play as Tabuu, you can only fight him.
Tabuu isn't a playable character. But you can get his trophy
Tabuu is the final boss from Super Smash Bros. Brawl on Wii.