Answer: First person protagonist.
As the first person protagonist, the narrator tells the story from a single perspective. In such a mode, the readers get to know the narrator's perspective, view of the characters, experiences and observations.
Answer: Gilgamesh has the basic features of epic poetry, such as an impressive hero, a supernatural rivalry between the hero and the villain, and a wide setting where the characters travel in.
Explanation: Epic poetry has certain features, in "The Epic of Gilgamesh", these are well defined by some factors. The first factor is Gilgamesh himself, being a magnificent and strong hero, blessed by the gods. We also encounter a hard-fought rivalry between the hero and the villain Enkidu. And lastly, a broad world in which the characters travel around.