One of this person's adversaries tells him that he
One of this person's adversaries tells him that he will "let cawing buzzard, screaming eagle, and vulture feed on [his] flesh" and claims his companion "not know his father." Inadvertant creator of the Lrbanon rift valley, this man enlists Shamash's aid to reach a cedar tree, which required defeating Humbaba. His companion was originally a wild man created to distract him from his tyrannical rule, but they become fast friends until the latter kills the Bull of Heaven and is struck down by Ishtar. For ten points, identify this two-thirds-immortal friend of Enkidu; a Sumerian hero who sought immortality in the oldest extant epic.
One of this person's adversaries tells him that he will "let cawing buzzard, screaming eagle, and vulture feed on [his] flesh" and claims his companion "not know his father."
{Gilgamesh}