[xGarnetx]

For me, they are:

Ruki (the GazettE)
Hizumi (D'espairs Ray)
Kyo (Dir en grey)
Gackt
..and, maybe Kamijo, since he's in Versailles, his voice sounds kind of different, and much better (well, that's my opinion)

Toshi and Shou are great too n.n