Ratatoskr

 Ratatoskr  (ラタトスク, Ratatosuku) is an organization created for the purpose of saving Vampires, whom possess an angel, through peaceful mean without killing the Vampires. As stated by Kazuto, "The organization called  was an organization created for Ria's sake."

The organization known as  is only known (probably) by the upper level of the government and high-ranking military officials. The  Command center is on the airship , while their headquarters is located elsewhere (its location is still unstated).

Known Members of Ratatoskr

 * Kazuto Itsuka (Commander)
 * Kyouhei Kannazuki (Vice Commander)
 * Reine Murasame (Analysis Officer)
 * Kyoji Kawagoe (a.k.a. "Bad Marriage")
 * Masaomi Mikimoto (a.k.a. "Boss")
 * Hinako Shiizaki (a.k.a. "The Nail Knocker")
 * Munechika Nakatsugawa (a.k.a. "The Dimension Breaker")
 * Kozue Minowa (a.k.a. "Deep Love")
 * Medical Officer Rindou
 * Awashima Fumio
 * Teshirogi Yoshiharu
 * Kawanishi Takashi
 * Elliot Baldwin Woodman (Founder and Benefactor)
 * Karen Nora Mathers (Mr. Woodman's Secretary)
 * Maria Arusu (Fraxinus AI)

Allies

 * Asgard Electronics
 * Ria Maaka
 * Hideyoshi Yatogami
 * Yoshino
 * Mana Takamiya
 * Kaguya Yamai
 * Yuzuru Yamai
 * Mikoto Yamazaki
 * Natsuki
 * Origami Yasuhiro
 * Nia Sakamaki
 * Mukuro Furukawa

Trivia

 * Fraxinus's Realizers are made by the Asgard Company.
 * Fraxinus comes from Latin and is the genus name for the ash tree, whose name derives from the Old English, æsc. Both words mean 'spear'.
 * In Norse mythology, Ratatoskr is a "Drill-Tooth Squirrel" which acts as a messenger that climbs up and down the world tree "Yggdrasil" to which the 9 worlds are anchored.
 * Ratatoskr was formed by Elliot Woodman after he left D.E.M. in order to stop Westcott's ambitions.
 * In the anime, Ratatoskr seems to be responsible for the creation of many dating sim games in the series. The people playing these dating sims are unaware that they're helping Ratatoskr through them.
 * When the Fraxinus needed name ideas when Hideyoshi asked Ria to name him, Hiroto's dating sim game asked for a name idea. She chose the name "Tome" which Hideyoshi disliked greatly, thinking Ria was attempting to make fun of him.