Cha-han is such a perfect collaboration... I think they've killed me together with that song. And I'm not sure about D.Gray-man, but with the slasher smile and unhinged look, Sekihan's portrayal reminds me a lot of Grell Sutcliffe from Kuroshitsuji.

Sukonbu seems to be a fan of Emperor Wakamoto, judging from the mylist >w<