Odin appears in stories.
Baldr ( also Balder , Baldur ) is a god in Norse mythology , and a son of the god Odin and the goddess Frigg . In Norse mythology , Geri and Freki ( Old Norse , both meaning `` the ravenous '' or `` greedy one '' ) are two wolves which are said to accompany the god Odin . In Norse mythology , Huginn ( from Old Norse `` thought '' ) and Muninn ( Old Norse `` memory '' or `` mind '' ) are a pair of ravens that fly all over the world , Midgard , and bring information to the god Odin . Midgard ( an anglicised form of Old Norse Miðgarðr Old English Middangeard , Swedish/Danish Midgård , Old Saxon Middilgard , Old High German Mittilagart , Gothic Midjun-gards ; literally `` middle yard '' ) is the name for Earth ( in the sense of oikoumene ) inhabited by and known to humans in early Germanic cosmology , and specifically one of the Nine Worlds in Norse mythology . Odin . He is often accompanied by his animal companions -- the wolves Geri and Freki and the ravens Huginn and Muninn , who bring him information from all over Midgard -- and rides the flying , eight-legged steed Sleipnir across the sky and into the underworld .