Ymir is the primordial giant of Norse mythology, from whom the world was formed.
Ymir stands at the very beginning of the Norse cosmos. In the Prose Edda, compiled by the Icelandic scholar Snorri Sturluson in the thirteenth century from much older oral traditions, Ymir is the first being — a primordial frost giant (jötunn) who emerged from Ginnungagap, the void before existence, when the ice of Niflheim met the fire of Muspelheim. The gods Odin, Vili, and Vé slew Ymir and from his body fashioned the world: his flesh became the earth, his blood the seas, his bones the mountains, his skull the sky, his brains the clouds.
Creation itself is the body of Ymir — which means every living thing exists inside him. The etymology of Ymir is contested but likely connects to a Proto-Germanic root meaning "twin" or to a root associated with sound or voice. The cosmic giant appears in the Poetic Edda as well, and his name echoes in the word "ymir" meaning "roaring" or "groaning" in some interpretations — fitting for a being whose very dissolution became the architecture of everything.
This mythological depth places Ymir alongside Atlas, Chronos, and Gaia as one of the world's great primordial figures. In contemporary culture, Ymir gained new audiences through the manga and anime series Attack on Titan, in which a character named Ymir carries the series' central mythological weight. For parents drawn to Norse mythology, metal culture, or epic fantasy, Ymir offers a name of staggering origin-story power — a name that is not merely ancient but cosmically prior to the world itself.