Aeryn Sun is a fictional character from the science fiction television series Farscape. She is a former officer of the Peacekeepers, a militaristic organization in the show. Aeryn is known for her strong personality, combat skills, and complex emotional journey throughout the series. Initially introduced as an antagonist, Aeryn evolves into one of the main protagonists. Her character grapples with themes of identity and loyalty, especially as she forms deep connections with other characters, including John Crichton. Aeryn's development is central to the narrative, showcasing her transformation from a soldier to a more compassionate individual.