Hikaru Ijūin (伊集院 光, Ijūin Hikaru, November 7, 1967), real name: Ken Shinooka (篠岡 建), formerly Ken Tanaka (田中 建), is a Japanese comedian and radio personality. He is from Nishiogu, Arakawa, Tokyo. His wife is former talent Mika Shinooka (篠岡 美佳). He is affiliated with Horipro, and when he was a rakugo performer to Hoshikikaku (星企画).