Movie character: The dark crystal. SkekTek was the Skeksis' Scientist, and counterpart to urTih the Alchemist. Despite being reviled by his brethren for his eccentricities and physical weakness, skekTek proved fundamental to prolonging and strengthening the Skeksis Empire during the late Age of Division, having exploited the Solobes to create advanced technology, discovered the rejuvenating properties of essence and created the Garthim. A self-proclaimed genius; a master of life and death.