Ymir is attacked by the brothers Odin, Vili, and Vé in an illustration by Lorenz Frølich
In Norse mythology, Ymir (also Aurgelmir, Brimir, or Bláinn) is the ancestor of all jötnar. He is described in the Poetic Edda and in the Prose Edda. Ymir was killed by Odin, Vé and Vili. From Ymir's body they made seven worlds. They also made Bïfrost and dwarves from maggots on Ymir's dead body.