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.
- Izenburua: Yoo Seung-jun
- Ospea: 0.791
- Ezaguna: Acting
- Urtebetetzea: 1992-05-01
- Jaioterria: South Korea
- Orri nagusia:
- Ezaguna ere: 유승준, Joon, Jun
