Danny Koo
Violinist
- Title: Danny Koo
- Popularity: 2.519
- Known For: Acting
- Birthday: 1991-08-23
- Place of Birth: Chicago, Illinois, U.S.
- Homepage: http://m.credia.co.kr/board/?db=gallery_2&no=1401&mari_mode=view@view
- Also Known As: 대니구, 대니 구, 구교현, 구대니, Danny Goo, Koo Kyo-hyun, Goo Gyo-hyun
