| A | B |
| Enkidu | Gilgamesh's new and faithful companion |
| Anu | The patron god of Uruk and the Father of the Gods |
| Gilgamesh | The protagonist, main character, and king of Uruk. |
| Humbaba | Monster god who must be killed. |
| Ishtar | Goddess of love, wants to marry Gilgamesh |
| Ninsun | mother of Gilgamesh |
| Siduri | The bar maid, maker of wine, gives advice |
| Urshanabi | The ferryman who give passage to paradise. |
| Utnapishtim | Immortal, holds the secret to eternal life, and the object of Gilgamesh's final quest |
| Neti | Keeper of the Underworld |
| Shamshat | Sacred temple girl who brought two friends together |
| Enti | The god who unleashes the great flood |
| Aruru | goddess of creation |
| Namtar | god of evil fate |
| Mammetum | goddess of destiny |
| Ea | Sweet waters, god of wisdom and friend of mankind |
| Enlil | god of the wind |
| Shamash | the sun, god of justice and light |
| Tammuz | partner of Ishtar |
| Ereshkigal | Queen of the Underworld (sister of Ishtar) |