Chloe Sullivan is a fictional character from the television series Smallville, which aired from 2001 to 2011. She is portrayed by actress Allison Mack and is known for her intelligence, resourcefulness, and strong friendship with Clark Kent. Chloe works as a journalist and often investigates mysterious occurrences in the town of Smallville. Throughout the series, Chloe develops her skills in technology and research, becoming a key ally to Clark as he navigates his journey as Superman. Her character evolves from a high school student to a dedicated reporter, showcasing her determination and loyalty to her friends and the greater good.