Susan Ivanova is a fictional character from the science fiction television series Babylon 5, created by J. Michael Straczynski. She serves as the station's second-in-command and is known for her strong leadership skills and no-nonsense attitude. Ivanova is a telepath, which adds depth to her character and influences her interactions with others. Portrayed by actress Claudia Christian, Ivanova is a key figure in the series, often facing moral dilemmas and personal challenges. Her character development throughout the show highlights themes of loyalty, sacrifice, and the complexities of command in a diverse and politically charged environment.