Vidar is a son of Odin and the giantess Grid, and has a twin brother Vali. On the day of Ragnarok the Fenrir wolf will kill Odin and Vidar will avenge him.

He is the god of silence and revenge, the second strongest of the gods. At the destruction of the world, Odin will be killed by the wolf Fenrir, and Vidar will avenge his father by killing the wolf with his bare hands. He will press one foot on Fenrir's bottom jaw, and will take hold of his other jaw and tear the wolf apart. He is one of the gods that will rule the new world when it is created. His hall in Asgard is Vidi.

Also known as: Vithar