Yoo Seung-jun
He is a MR.MR. former member with stage name Joon. He joined the group as a sixth member in November 2013 and left in February 2014 due to controversy spread by his old friend. He has a YouTube channel with his friend Zeze.
- Titel: Yoo Seung-jun
- Gewildheid: 0.571
- Bekend vir: Acting
- Verjaarsdag: 1992-05-01
- Plek van geboorte: South Korea
- Tuisblad:
- Ook bekend as: 유승준, Joon, Jun
