Vilgax is a fictional character from the animated television series Ben 10. He is portrayed as a powerful alien warlord and one of the main antagonists of the series. Known for his ruthless ambition, Vilgax seeks to obtain the Omnitrix, a device that allows its wearer to transform into various alien species. Throughout the series, Vilgax is depicted as a formidable foe for Ben Tennyson, the show's protagonist. His character is characterized by his strength, intelligence, and relentless pursuit of power, making him a significant threat to Ben and his allies.