Plot Holes in the 1982 Conan the Barbarian Film

Okay so I figured out that the movie was a box office hit but I do have some plot holes to think about which are: On the snakeman Thulsa Doom- why did the writers choose to name the villain "Thulsa Doom" instead of "Thoth-Amon"? From what civilization did he belong to? All that is known is that they came from a cannibalistic civilization that worshiped Set. He, Rexor and Thorgrim never aged throughout the films, possibly a result of Set's empowerment. Concerning the Wheel of Pain. Was it just there to torture? The reason of the deletion of the "Procession Scene". I think it was really an important part to show the power of the Snake Cult. In the Tower of Set, for what purpose was the sacrifice of a young woman to the giant python? Do the cult members inevitably feed themselves to the giant snake? On the Snake Cult hierarchy- later we discover that Rexor not only serves as Thulsa Doom's right hand (and third in rank to the snake god ...