"With this ring, I speak the word from the hidden gulfs that never knew the sun! With this ring, forgotten before the first man crawled from the slime, I enslave demons of the darkest abyss. And raise serpent men from Lemurian Tombs!" -- Thoth-Amon.
Thoth Amon is a Stygian wizard, who has appeared in various Conan the Barbarian comic series'. He has also made appearances throughout various Marvel titles, including Uncanny X-Men issues #187 and #188.
"Behold the power of the god of all that slithers!" -- Thoth-Amon
In the movie Conan the Destroyer (1984) Thoth-Amon was played by Pat Roach.