Editing Serpent symbolism (section)

===Nordic mythology===
{{See also|Jörmungandr}}
Jörmungandr, alternately referred to as the Midgard Serpent or World Serpent, is a [[sea serpent]] of [[Norse mythology]], the middle child of [[Loki]] and the [[Jötunn|giantess]] [[Angrboða]]. According to the ''[[Prose Edda]]'', [[Odin]] took Loki's three children, [[Fenrisúlfr]], [[Hel (being)|Hel]] and Jörmungandr. He tossed Jörmungandr into the great ocean that encircles [[Midgard]]. The serpent grew so big that he was able to surround the [[Yggdrasil|Earth]] and grasp his own tail, and as a result he earned the alternate name of the Midgard Serpent or World Serpent. Jörmungandr's arch enemy is the god [[Thor]].

In the ''[[Poetic Edda]]'', Odin tells of eight serpents gnawing on the roots of [[Yggdrasil]]: [[Nidhöggr]], Gravvitnir, Moin, Goin, Grábakr, Grafvölluðr, Svafnir and Ofnir.