Source Picture: 郑繁星 (weibo)

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And thank you to the persons who helped me with finding the information x

Real name: 郑繁星
Romanization: Zheng Fan Xing
First name: Fan Xing
Last name: Zheng
Date of Birth: September 5, 1998
Place of Birth: Hunan
Country: China
Nationality: Chinese
Starsign: Virgo
Chinese Zodiac: Tiger
Height: 175cm
Profession: Singer, Actor
Talent agency: BG Talent, New Style Media
Education: Beijing Institute of Performing Arts

Source of the text below comes from https://kprofiles.com/untamed-boys-members-profile/

• Yu Chen is in the cpop group The Untamed Boys.
• He’s close to fellow member YuBin
• He went viral for dropping a birthday cake on his face during a weibo live
• FanXing almost dropped out of their debut performance due to stress and the inability to remember the dance moves
• He’s terrified of spiders, it’s a childhood fear of his. (Mystery Box)
• He did a lot of odd jobs (such as retail) when he was younger.