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Official Site: CW TV

Chloe Sullivan is a fictional character from the television series Smallville. Series regular Allison Mack has portrayed the character since the pilot episode; two other actresses performed the role of Chloe Sullivan as a child. The character was created exclusively for Smallville, by series developers Alfred Gough and Miles Millar. By the time of the tenth season, she and Clark Kent are the only two remaining characters from the first season of the show, though Mack is only signed on for five episodes of the tenth and final season. Chloe has also appeared in various literature based on Smallville, an internet series, and comic books.

In Smallville, Chloe is Clark Kent's best friend, and the editor of the high school newspaper the Torch; she notices that the meteor rocks (kryptonite) are mutating the citizens of Smallville. She generally teams up with Clark and Pete Ross in tracking and stopping meteor-infected people from harming other citizens. In the first four seasons, Chloe harbors an unrequited love for Clark, but eventually accepts her place as his best friend and nothing more. In later seasons, Chloe discovered that she had a meteor rock power of her own; the character of Jimmy Olsen was introduced, whom Chloe dates, marries, and eventually divorces.

Chloe Sullivan has been characterized as independent, intelligent, curious and impulsive by both the writers and the actress that portrays her. The latter two characteristics often cause Chloe to get into trouble with both her friends and with the Luthors. Allison Mack has been recognized with multiple award nominations and wins for her portrayal of Chloe Sullivan.

Introduced in the series pilot, Chloe spends much season one helping her best friend Clark Kent (Tom Welling) stop the citizens of Smallville who have developed special abilities from genetic mutations, caused by the meteor rocks that fell to Smallville in 1989, from committing crimes. It is established that Chloe is the editor of the school newspaper the Torch at the start of the first season. Her journalistic curiosity—always wanting to "expose falsehoods" and "know the truth" —causes tension with her friends, especially when she is digging into Clark's past in the season two episode "Lineage". In the early seasons, Chloe hides the fact that she is in love with Clark, although the feeling is not reciprocated; she confesses her true feelings to Clark in season two's "Fever" while he is sick, but he calls out Lana Lang's name in his delirium. Her feelings for Clark get in the way of her better judgment as she betrays his trust in the season two finale, after witnessing him and Lana Lang (Kristin Kreuk) sharing a kiss in his barn, and agrees to uncover information on Clark for Lionel Luthor (John Glover) in exchange for a job at the Daily Planet.

Chloe Sullivan has not been a contender in any CBUB matches.