There are several artists named Becky. 1. (Source: Entertainment Weekly): The band "becky" led by Rebecca Lord. They were a famous rock group who performed the theme song of the Famous Playhouse Disney Series "JoJo's Circus". The band is under Walt Disney Records. 2. (Source: Wikipedia): Becky (ベッキー, bekkii?) is a popular talent in Japan under the entertainment company Sun Music. Born on March 6, 1984, in Kanagawa, she is the daughter of a Japanese mother and an English father.