In Norse mythology, the pair of giants known for their enmity with the gods and the creation of the world are Ymir and Audhumla. Ymir, the primordial giant, is considered the progenitor of all beings, while Audhumla, the primeval cow, nourishes him. The eventual defeat of Ymir by the gods led to the formation of the cosmos from his body, symbolizing the conflict between order and chaos. Their story illustrates themes of creation and the ongoing struggle between the divine and monstrous forces in the Norse mythological tapestry.