The answer is “who” referring to one person
Maybe try zooming in a little more :)
Answer:
Enkidu is a strong and uncultured “wild man created by the gods. He is as powerfull as Gilgamesh.
However Gilgamesh represents culture and education, Enkidu was raised in the wild, live in the forest with animals.
The gods sent Enkidu to help in Gilgamesh behaviour.
Enkidu's death changed completely Gilgamesh's life.