http://www.irishtribes.com/articles/2012-11-lost-celtic-creation-myth-in-english.html

Arawn is also a god of war, terror, revenge, and spirit contact. His best-loved pastime is hunting through the sky in autumn, winter, and early spring with his large pack of white, red-eared dogs, in search of stags and deceased human souls, whom he guides to the Otherworld.