The Jörmungandr, or the Midgard Serpent, is a Norse creature recognized for its immense strength and ferocity. It encircles the Earth and is a formidable adversary of the god Thor. In Norse myths, it embodies the chaos and destruction of the cosmos, destined to clash with Thor during Ragnarök. This creature represents the innate struggles between order and chaos, making it a compelling figure in Norse mythology.