Esther is a internationally touring stand-up comedian from Chicago. Ku is currently a series regular on MTV's "Girl Code". Ku was selected as a finalist for NBC's "Last Comic Standing" on season 6. She is also a commentator on VH1's "I Love Millennium", "The Bethanny Show", and Playboy TV's "Foursome". She was selected by Howard Stern as the Hottest Funniest a Chick finalist on the Sirus Satellite Radio. Ku was also one of the new cast members on the sixth season of Wild 'N Out on MTV2.
- She was the second Asian cast member besides Timothy DeLaGhetto until she left the show after the sixth season.
- She only appeared in two episodes in Season 6.