F.F.O
Taiwan · Official roster: 7 (7 birthdays recorded)
F.F.O members from oldest to youngest: Zhang Junjia (21), Chen Junxi (21), Wu Yanxin (20), Chen Yanxu (19), Hu Shengming (19), Ryushi Kato (17), Chris Chen (15). The oldest is Zhang Junjia, born November 23, 2004; the youngest is Chris Chen, born November 22, 2010.
Debut date: Next debut anniversary: December 28
Birthdays of all members
| Birthday | Member | Other spellings |
|---|---|---|
| November 23 | Zhang Junjia 張鈞嘉ジュンジャ | F.F.O 張鈞嘉, F.F.O張鈞嘉, FFO張鈞嘉 |
| December 18 | Chen Junxi 陳俊希ジュンシ | F.F.O陳俊希 |
| July 21 | Wu Yanxin 吳硯新シャオシン | 吴砚新, 小新 |
| January 25 | Chen Yanxu 陳彥旭イェンシュ | F.F.O 彥旭, 彥旭 |
| July 15 | Hu Shengming 胡勝銘センミン | F.F.O勝銘, 勝銘 |
| August 23 | Ryushi Kato 加藤琉士カトウリュウシ | F.F.O加藤琉士 |
| November 22 | Chris Chen 陳至琦ヅーチー | F.F.O 陳至琦, F.F.O—陳至琦 |
Roster source: Chinese Wikipedia: F.F.O (current members; member photos cite official IG @f.f.o.official profile posts of 2024-12-28) (retrieved 2026-09-25)
Age ranking of members (oldest to youngest)
We have full birth dates for 7 of 7 members (members with only a birth month and day are left out, since their age can’t be calculated). Ages update to today’s date.
| Rank | Member | Birthday | Age |
|---|---|---|---|
| 1 | Zhang Junjia | November 23, 2004 | 21 |
| 2 | Chen Junxi | December 18, 2004 | 21 |
| 3 | Wu Yanxin | July 21, 2006 | 20 |
| 4 | Chen Yanxu | January 25, 2007 | 19 |
| 5 | Hu Shengming | July 15, 2007 | 19 |
| 6 | Ryushi Kato | August 23, 2009 | 17 |
| 7 | Chris Chen | November 22, 2010 | 15 |
F.F.O Members’ Zodiac Signs
- ♋ Cancer: Wu Yanxin, Hu Shengming
- ♍ Virgo: Ryushi Kato
- ♐ Sagittarius: Zhang Junjia, Chen Junxi, Chris Chen
- ♒ Aquarius: Chen Yanxu
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 7 members on F.F.O’s official roster. 7 of them have their own page on this site (our inclusion rule: someone has held a support event for them, or a verifiable identity or birthday source exists). The rest are marked “roster only” and appear only in this table. Birthdays are listed only when we find a verifiable source; otherwise they’re marked “no verifiable source found.” We never fill gaps with guesses. Spotted an error, or have a verifiable official source? Email service@joelin.cc. (email us a report)
We’ve logged 34 support cases for this group’s members (the combined total of each member’s cases; see each member’s page for details).
We’ve also logged 1 support cases for the group as a whole (concert).
Want to hold a support event for F.F.O?
Group support usually centers on debut anniversaries and concerts. Each member’s birthday is in the table above.
FAQ
- What are the birthdays of F.F.O's members?
- F.F.O’s official roster has 7 members. Those with a verifiable birthday on this site: Zhang Junjia November 23, Chen Junxi December 18, Wu Yanxin July 21, Chen Yanxu January 25, Hu Shengming July 15, Ryushi Kato August 23, Chris Chen November 22. Each birthday’s source is cited on this page and on the person’s own page.
- How many F.F.O members are listed on this site?
- F.F.O: Official roster: 7. Of these, 7 have a verifiable birthday recorded on this site. This page lists all 7 members on F.F.O’s official roster. 7 of them have their own page on this site (our inclusion rule: someone has held a support event for them, or a verifiable identity or birthday source exists). The rest are marked “roster only” and appear only in this table. Birthdays are listed only when we find a verifiable source; otherwise they’re marked “no verifiable source found.” We never fill gaps with guesses. Spotted an error, or have a verifiable official source? Email service@joelin.cc.
- When was F.F.O’s debut?
- F.F.O's debut date is December 28, 2024, so every year on December 28 marks the debut anniversary. In other words, F.F.O’s debut year is 2024. The debut anniversary is one of the most common occasions for group fan support.
- What is the age order of F.F.O's members? Who is the oldest?
- We have birth years for 7 of 7 F.F.O members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: Zhang Junjia (born November 23, 2004), Chen Junxi (born December 18, 2004), Wu Yanxin (born July 21, 2006), Chen Yanxu (born January 25, 2007), Hu Shengming (born July 15, 2007), Ryushi Kato (born August 23, 2009), Chris Chen (born November 22, 2010). The oldest is Zhang Junjia, and the youngest is Chris Chen.
- What are the zodiac signs of F.F.O’s members?
- Based on their birthdays: Cancer: Wu Yanxin, Hu Shengming; Virgo: Ryushi Kato; Sagittarius: Zhang Junjia, Chen Junxi, Chris Chen; Aquarius: Chen Yanxu. Signs use the month and day only, with the boundary dates explained on our zodiac pages.
View this page in Chinese → · Back to group index · Birthday calendar