Jormungandr
Jormungandr meaning "huge monster" was the middle child of Loki and the giantess Angrbo¤a. lt grew so large that it surrounded the Earth and grasps its own tail. Jormungandr was associated with the Ouroboros which is used as a symbol for the eternal cycle of life.
He signifies the inevitability of destiny and the one that brings about the battle that ends the world. This symbol expresses the unity of all spiritual and material things. It also represents the eternal cycle of rebirth and destruction.