Atobe Keigo has turned completely emotionless and saves Jirou from a Seigaku horror. There is a plot yet! Okay, there is no plot, just... crack.
Saejima Kouga / GARO The Golden Knight = Atobe Keigo: how Atobe became completely emotionless is all but a mystery to us...
Mitsuki Kaoru = Akutagawa Jirou: a young artist with a passion for drawing, trying to raise money.
Gonza = Oshitari Yuushi: suppose to be the butler, but really, he doesn't do anything
Zaruba = Kantoku
Suzumura Rei / ZERO The Silver Fang = Taki Haginosuke
Silva = n/a
Yamagatana Tsubasa / White Night DAN = Otori Choutarou
Yamagatana Rin = Mukahi Gakuto
Watchdogs of the West / KERBEROS = Seigaku Watchdogs
Asami Shinohara = Marui Bunta
Ryuuzaki Karune (Barago / KURO The Black Wolf) = Fuji Syuusuke
KIBA The Dark Knight = Tezuka Kunimitsu ...
Kodama = Kabaji Munehiro
Shizuka *deceased* = Hiyoshi Wakashi
Amon The Makai Priest = n/a
Jabi The Makai Priest = Shishido Ryou
Saejima Taiga/former GARO = n/a
Meshia The Ultimate Horror = RYUUZAKI-SENSEI. WTF. THE NAME DOESN'T LIE NOW.
Pazuzu (doctor) = Oishi
Moroku (episode 8) = An
Boyfriend of the woman who Moroku posesses *deceased* (episode 8) = Momoshiro
Don Tarian (episode 11) = Sengoku
unknown name (episode 15) = Kirihara
Tonuma (episode 17) = Inui...
Tonuma's girlfriend (?) unknown name (episode 17) = Yanagi
Haru (episode 17) = Kaido...
The Grou Dragon (episode 20)= Sanada
Kamisugawa (episode 21) = Tachibana