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.
- Title: Yoo Seung-jun
- Popularity: 0.482
- Known For: Acting
- Birthday: 1992-05-01
- Place of Birth: South Korea
- Homepage:
- Also Known As: 유승준, Joon, Jun