Becky

Becky, born in Kanagawa Prefecture, Japan, is a popular tarento ("talent") in Japan under the entertainment company Sun Music. While her mother is native Japanese, her father Simon is English. As part of an episode of Sekai no Hate made Itte Q! (世界の果てまでイッテQ!?) where she visited her family in England, she was joined by her younger sister Jessica. Beginning in late 2009, she began releasing music under the name Becky♪♯ with an eighth note and sharp at the end of her name.

(Source: AniDB)