So.

Hyde - from L'Arc. Also does a lot of solo work and a lot of Anime opening songs.

Kaz - From Oblivion Dust.

Oblivion Dust - band also featuring Ken Lloyd.

Ken Lloyd - Was in the band FAKE? with Inoran.

Inoran - Was the guitarist in the immensly popular band Luna Sea.

hide with Spread Beaver - the band that hide did his solo work with.

hide - legendary pink-paired guitarist of X Japan. Has an entire memorial dediated to him. When he went solo, he was nicknamed Pink Spider.

X Japan - Legendary JRock band said to have started or help start the VK trend.

Hayashi Yoshiki - Legendary drummer of X Japan. An active producer, once in charge or affiliated with Dir en Grey, SKIN, The Trax, Globe, Violet UK, etc.

SKIN - The supergroup consisting of Yoshiki, Gackt (formerly of Malice Mizer), Miyavi (formerly of Due le Quartz), Sugizo (formerly of Luna Sea) and Hyde (of L'Arc-en-Ciel).

Malice Mizer - VK band most well-known for containing not only Gackt, but also Mana.

Mana - Cross-dressing icon of EGL. Started the fashion line Moi-même-Moitié, and was a member of Moi Dix Mois after Malice Mizer broke up.


I think I'm going to stop there. .-. There are a lot more individual associations, though.