Defconn
Defconn, born Yoo Dae-joon (유대준), is a South Korean rapper and television personality.
- Title: Defconn
- Popularity: 12.305
- Known For: Acting
- Birthday: 1977-01-06
- Place of Birth: Jeonju, North Jeolla Province, South Korea
- Homepage:
- Also Known As: 데프콘, Yoo Dae-Joon