Lieutenant Helga Katrina Sinclair is the secondary antagonist in Atlantis: The Lost Empire who serves as second-in-command of the expedition to find the lost continent of Atlantis. She also serves as the personal assistant to Preston Whitmore. Feisty, tough, attractive, angry, sexy, cunning, short-tempered, rebellious, bold, selfish, determined, violent, smart, aggressive, rude, sarcastic, sneaky, argumentative, intelligent, hot-tempered, athletic, passionate, levelheaded, reserved, cold…
