| Thulsa Doom | |
|---|---|
| Kull of Atlantis character | |
 Thulsa Doom, by Justin Sweet (2006) | |
| First appearance | "Delcardes' Cat" (submitted in 1928, published in 1967) |
| Created by | Robert E. Howard |
| In-universe information | |
| Gender | Male |
| Occupation | Magician |
Thulsa Doom is a fictional character created by American author Robert E. Howard, as an antagonist for the character Kull of Atlantis. Thulsa Doom debuted in the story "Delcardes' Cat". He has since appeared in comic books and film as the nemesis of Kull and, later, one of Howard's other creations, Conan the Barbarian.
Thulsa Doom is the prototype for many of the future undead evil wizards in Howard's stories, such as Tsotha-Lanti (in the Conan saga) and Kathulos (in the Skull Face novelette); other living or revenant Howardian practitioners of magic such as Thoth Amon, Thugra Khotan, Kathulos, and Xaltotun bear some psychological similarities to Thulsa Doom even if their actual appearance is vastly different.