- Real Name: Wen Jun Hui (文俊辉 / ムン・ジュンフィ)
- English Name: Jerry Wen
- Stage Name: Jun (준 / ジュン)
- Birthdate: June 10, 1996
- Birthplace: Shenzhen, China
- Blood Type: B
- Height: 180cm
- Weight: 63 kg
- Education: Phuket High School (1er. Year), University’s International Language Institute (Now)
- Specialty: Wushu
- Hobbies: Acting, singing, martial arts and playing the piano.
- Languages: Mandarin, Cantonese and Korean (Basic)
-  Go! Go! Daddy
-  Love Under The Eaves
-  Intouchable (Web Drama)
-  The Pye Dog
-  The Legend is Born: Ip Man
-  Children's War
-  My Mother
- He is very similar of Kim Hee Chul of Super Junior
- According Seung Kwan , Jun is known as the mother of the group.
- He moved to Korea after having a bit of acting experience in China.
- He is taking Korean classes, since he only speaks Chinese and Cantonese.
- He plays piano and read books in his free time, but he also acts as a child of that age, with Mingming.