Ciel (シエル, Shieru) is a character in the popular Japanese visual novel and anime series Tsukihime, who also makes an appearance in the 2d fighting game Melty Blood by TYPE-MOON. She is voiced by Fumiko Orikasa in the Tsukihime anime, with Wendee Lee in the English translation, and by Kumi Sakuma in Melty Blood. Ciel also makes an appearance in Kagetsu Tohya as Ciel Sensei, where she acts as a teacher to various Tsukihime characters, among them Neko Arc.
Her birthday is May 3rd. Her height is 165, weighs 52 kg with a blood type of O. Her three sizes are B85/W56/H88. She appears to be a teenager, but her true age is much older, and unknown.