Once, it was but a normal, if not belligerent, wolf until the Horned King captured it and empowered it with demonic enhancements to serve his every command. A lone wolf in every literal sense of the word, the Russian is one of the Horned King's demon beasts used for hunting down the wielders of the Keyblade. It is for this reason that he is later sent by his master to head off the Crew of the Highwind at the Linked Worlds Cave, and pick them off one by one.
From Birth of A New Era to The Journey
Appearance and Personality
Boss Music: Squirming Evil