You can't.You ca only be luigi.
You can't be Wario in New Super Mario Bros 2.
Wario is not playable on New Super Mario Bros. However, he is playable on Super Mario 64 DS.
No. Mario and Luigi are brothers, and Waluigi and Wario are brothers. Wario and Mario; and Luigi and Waluigi are no related in any way. they are only rivals.
There is no Wario, unless you edit the graphics.
NO
As far as I know you can't, but you can turn into Luigi!
Two. Mario and Luigi. Wario and Waluigi are not brothers to the Mario bros.
you can't be wario
no
Yoshi.
Wario.
It's impossible. You cannot unlock Wario.