In the story of Gilgamesh, his companion is Enkidu. Enkidu is initially created by the gods to challenge Gilgamesh's tyranny and teach him humility. Their friendship develops profoundly, transforming both characters as they embark on a series of adventures together, such as fighting the demon Humbaba and slaying the Bull of Heaven. Enkidu embodies the natural world, representing the wild side of humanity contrasted against Gilgamesh's civilized nature. His eventual death propels Gilgamesh on a quest for immortality, highlighting themes of friendship, loss, and the quest for meaning in life.