A2O Rookies is a co-ed trainee group under A2O Entertainment. The team consists of trainees that haven’t had a chance to debut as a soloist or in an idol group.
A2O Rookies Profile
| Formation | 2024 |
| Active Years | 2024–present |
| A2O Rookies Members | Listed below |
| Label | A2O Entertainment |
A2O Rookies Facts:
– Their official greeting is “Hello. We are A20 Rookies!”
– A2O Rookies are divided into four categories according to their age groups. Girls and boys aged 16 and above are in HTG (High Teen Girls) and HTB (High Teen Boys) and trainees below 16 are in LTG (Low Teen Girls) and LTB (Low Teen Boys).
– The agency A2O Entertainment is produced by Lee Sooman, the founder of SM Entertainment.
– The trainee team was introduced on October 25, 2024.
– The first group formed through A2O Rookies is A20 MAY consisting of five HTG category trainees.
Website: a2oentertainment.com
SOCIAL MEDIA HANDLES
Instagram: @a2o_channel
YouTube: A2O Channel
Twitter: @A2O_Channel
TikTok: @A2O_Channel
Facebook: A2O Channel
Douyin: @A2O_Channel
Weibo: @A2O_Channel
Bilibili: A2O_Channel
A2O Rookies Members Profile
1. Neemo
| Stage Name | Neemo |
| Birth Name | Zhōu Huìyǐng (周慧颖) |
| Birthday | 2004 |
| Active Years | 2024–present |
| Age | 20 (in 2024) |
| Zodiac Sign | Leo |
| Height | 165.5 cm (5’5″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Neemo Facts:
– Neemo was born in Guangdong, China.
– She is passionate about singing.
– She likes to read books.
SOCIAL MEDIA HANDLES
Instagram: @a2o_neemo
Weibo: @A2O-周慧颖NEEMO
2. WeiY
| Stage Name | WeiY |
| Birth Name | Lǐ Wéiyí (李唯怡) |
| Birthday | 2007 |
| Active Years | 2024–present |
| Age | 17 (in 2024) |
| Zodiac Sign | Sagittarius |
| Height | 168.5 cm (5’6″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
WeiY Facts:
– WeiY was born in Sichuan, China.
– She enjoys singing and dancing in her spare time.
– She was revealed as a part of A2O Rookies on October 30, 2024.
SOCIAL MEDIA HANDLES=
Instagram: @a2o_weiy
Weibo: @A2O-李唯怡WeiY
3. Hazen
| Stage Name | Hazen |
| Birth Name | Xú Huìzhēn (徐彗真) |
| Birthday | 2008 |
| Active Years | 2024–present |
| Age | 16 (in 2024) |
| Zodiac Sign | Capricorn |
| Height | 161 cm (5’3″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Hazen Facts:
– Hazen was born in Beijing, China.
– She loves to play basketball in her spare time.
– She was revealed on December 11, 2024.
SOCIAL MEDIA HANDLES
Instagram: @a2o_hazen
Weibo: @A2O-徐彗真HAZEN
4. Rae
| Stage Name | Rae |
| Birth Name | Hè Xǐzhēn (贺玺祯) |
| Birthday | N/A |
| Active Years | 2024–present |
| Age | N/A |
| Zodiac Sign | N/A |
| Height | N/A |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Rae Facts:
N/A
5. Xili
| Stage Name | Xili (淅沥) |
| Birth Name | Liáng Xīlì (梁淅沥) |
| Birthday | 2010 |
| Active Years | 2024–present |
| Age | 14 (in 2024) |
| Zodiac Sign | Scorpion |
| Height | 156.5 cm (5’2″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Xili Facts:
– Xili was born in Zhejiang, China.
– She considers dance as a form of self expression.
– She enjoys singing and dancing in her spare time.
– She was introduced as a part of A2O Rookies on October 25, 2024.
SOCIAL MEDIA HANDLES
Instagram: @a2o_xili
Weibo: @A2O-梁淅沥XILI
6. Sansan
| Stage Name | Sansan |
| Birth Name | Lín Yùshān (林钰珊) |
| Birthday | April 16th, 2010 |
| Active Years | 2024–present |
| Age | 14 (in 2024) |
| Zodiac Sign | Aries |
| Height | 163.2 cm (5’4″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Sansan Facts:
– Sansan was born in Zhejiang, China.
– She works as an actress and model.
– Her Chinese zodiac sign is Tiger.
– She is fluent in English and Chinese.
– She is passionate about dancing and singing.
– Her favorite Kpop group is BLACKPINK.
SOCIAL MEDIA HANDLES
Instagram: @a2o_sansan
Threads: @a2o_sansan
Weibo: @A2O-林钰珊SANSAN
7. Maxitong
| Stage Name | Maxitong (马西桐) |
| Birth Name | Mǎ Xītóng (马西桐) |
| Birthday | May 31st, 2011 |
| Active Years | 2024–present |
| Age | 13 (in 2024) |
| Zodiac Sign | Gemini |
| Height | 161 cm (5’3″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Maxitong Facts:
– Maxitong was born in Zhejiang, China.
– She used to work as a child model.
– Her Chinese zodiac sign is Rabbit.
– She loves to sing and dance in her spare time.
– She was revealed as a part of A2O Rookies in October 2024.
8. Baowei
| Stage Name | Baowei |
| Birth Name | Zhōu Bǎowēi (周宝薇) |
| Birthday | N/A |
| Active Years | 2024–present |
| Age | N/A |
| Zodiac Sign | N/A |
| Height | N/A |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Baowei Facts:
N/A
9.Teo
| Stage Name | Teo |
| Birth Name | Máo Tíngxuān (毛廷瑄) |
| Birthday | 2009 |
| Active Years | 2024–present |
| Age | 15 (in 2024) |
| Zodiac Sign | Leo |
| Height | 171.5 cm (5’8″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Teo Facts:
– Teo was born in Henan, China.
– His hobbies include dancing and performing.
– He loves to play basketball.
SOCIAL MEDIA HANDLES
Instagram: @a2o_teo
Weibo: @A2O-毛廷瑄TEO
10. Tai
| Stage Name | Tai |
| Birth Name | Chí Xītài (池析泰) |
| Birthday | 2011 |
| Active Years | 2024–present |
| Age | 13 (in 2024) |
| Zodiac Sign | Leo |
| Height | 174.5 cm (5’9″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Tai Facts:
– Tai was born in Neimenggu, China.
– He enjoys horseback riding and camping.
– He likes doing music, acting and dancing in his spare time.
SOCIAL MEDIA HANDLES
Instagram: @a2o_tai
Weibo: @A2O-池析泰TAI
11. Gaku
| Stage Name | Gaku (がく) |
| Birth Name | Gaku Kajiwara |
| Birthday | 2011 |
| Active Years | 2024–present |
| Age | 13 (in 2024) |
| Zodiac Sign | Virgo |
| Height | 171.5 cm (5’8″) |
| Weight | N/A |
| Nationality | Japanese |
| Blood Type | N/A |
| MBTI | N/A |
Gaku Facts:
– Gaku was born in Hyogo, Japan.
– He is passionate about singing and dancing.
– He was revealed as a part of A2O Rookies on October 25, 2024.
SOCIAL MEDIA HANDLES
Instagram: @a2o_gaku
Weibo: @A2O-梶原楽GAKU
12. Lyca
| Stage Name | Lyca |
| Birth Name | Lǐ Yìncén (李胤岑) |
| Birthday | 2011 |
| Active Years | 2024–present |
| Age | 13 (in 2024) |
| Zodiac Sign | Aquarius |
| Height | 159.5 cm (5’3″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Lyca Facts:
– Lyca was born in Chongqing, China.
– On November 22, 2024, he was introduced as a part of A2O Rookies.
– His hobbies include singing and dancing.
SOCIAL MEDIA HANDLES
Instagram: @a2o_lyca
Weibo: @A2O-李胤岑LYCA
13. Jiayi
| Stage Name | Jiayi (嘉一) |
| Birth Name | Dù Jiāyī (杜嘉一) |
| Birthday | 2012 |
| Active Years | 2024–present |
| Age | 12 (in 2024) |
| Zodiac Sign | Capricorn |
| Height | 160 cm (5’3″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Jiayi Facts:
– Jiayi was born in Hebei, China.
– He likes singing and dancing in his spare time
SOCIAL MEDIA HANDLES
Instagram: @a2o_jiayi
Weibo: @A2O-杜嘉一JIAYI
14. Ares
| Stage Name | Ares |
| Birth Name | Wáng Hàomíng (王颢铭) |
| Birthday | 2012 |
| Active Years | 2024–present |
| Age | 12 (in 2024) |
| Zodiac Sign | Pisces |
| Height | 157 cm (5’2″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Ares Facts:
– Ares was born in Hebei, China.
– He likes dancing and singing.
SOCIAL MEDIA HANDLES
Instagram: @a2o_ares
Weibo: @A2O-王颢铭ARES
15. SSSun
| Stage Name | SSSun |
| Birth Name | Sūn Shíshàng (孙石尚) |
| Birthday | 2012 |
| Active Years | 2024–present |
| Age | 12 (in 2024) |
| Zodiac Sign | Cancer |
| Height | 151.6 cm (5’0″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
SSSun Facts:
– SSSun was born in Hebei, China.
– He enjoys being physically active.
– His hobbies include cycling, dancing and playing badminton.
SOCIAL MEDIA HANDLES
Instagram: @a2o_sssun
Weibo: @A2O-孙石尚SSSun
16. Hanze
| Stage Name | Hanze (瀚泽) |
| Birth Name | Liú Hànzé (刘瀚泽) |
| Birthday | 2012 |
| Active Years | 2024–present |
| Age | 12 (in 2024) |
| Zodiac Sign | Gemini |
| Height | 162 cm (5’4″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Hanze Facts:
– Hanze was born in Guangdong, China.
– He is passionate about rapping, dancing and music.
– He was revealed as a part of A2O Rookies on October 25, 2024.
– His hobbies include painting and playing basketball.
SOCIAL MEDIA HANDLES
Instagram: @a2o_hanze
Weibo: @A2O-刘瀚泽HANZE
17. Ayden
| Stage Name | Ayden |
| Birth Name | Dèng Mínchuān (邓忞川) |
| Birthday | 2012 |
| Active Years | 2024–present |
| Age | 12 (in 2024) |
| Zodiac Sign | Aries |
| Height | 167.5 cm (5’6″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Ayden Facts:
– Ayden was born in Beijing, China.
– He likes learning, music, dancing and painting in his spare time.
SOCIAL MEDIA HANDLES
Instagram: @a2o_ayden
Weibo: @A2O-邓忞川AYDEN
18. NuoNuo
| Stage Name | NuoNuo |
| Birth Name | Dài Yánnuò (戴言诺) |
| Birthday | 2013 |
| Active Years | 2024–present |
| Age | 11 (in 2024) |
| Zodiac Sign | Sagittarius |
| Height | 144 cm (4’9″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
NuoNuo Facts:
– NuoNuo was born in Sichuan, China.
– On November 1, 2024, he was revealed as a part of A2O Rookies.
– He likes studying, playing basketball, dancing, and singing in his spare time.
SOCIAL MEDIA HANDLES
Instagram: @a2o_nuonuo
Weibo: @A2O-戴言诺NUONUO
19. Sono
| Stage Name | Sono |
| Birth Name | Sono Kajiwara |
| Position | N/A |
| Birthday | N/A |
| Active Years | 2024–present |
| Age | N/A |
| Zodiac Sign | N/A |
| Height | N/A |
| Weight | N/A |
| Nationality | Japanese |
| Blood Type | N/A |
| MBTI | N/A |
Sono Facts:
N/A
20. Nagi
| Stage Name | Nagi |
| Birth Name | Nagi Kajiwara |
| Position | N/A |
| Birthday | N/A |
| Active Years | 2024–present |
| Age | N/A |
| Zodiac Sign | N/A |
| Height | N/A |
| Weight | N/A |
| Nationality | Japanese |
| Blood Type | N/A |
| MBTI | N/A |
Nagi Facts:
N/A
21. Viktor
| Stage Name | Viktor |
| Birth Name | Léi Jiālún (雷迦伦) |
| Position | N/A |
| Birthday | N/A |
| Active Years | 2024–present |
| Age | N/A |
| Zodiac Sign | N/A |
| Height | N/A |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Viktor Facts:
N/A
22. Xuyao
| Stage Name | Xuyao |
| Birth Name | Zhōu Xùyáo (周旭垚) |
| Position | N/A |
| Birthday | N/A |
| Active Years | 2024–present |
| Age | N/A |
| Zodiac Sign | N/A |
| Height | N/A |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Xuyao Facts:
N/A
Debuted Trainees:
23. Kat
| Stage Name | Kat |
| Birth Name | Chén Jiāchén (陈佳辰) |
| Position | N/A |
| Birthday | 2005 |
| Active Years | 2024–present |
| Age | 19 (in 2024) |
| Zodiac Sign | Aries |
| Height | 171 cm (5’7″) |
| Weight | N/A |
| Nationality | Chinese-American |
| Blood Type | N/A |
| MBTI | N/A |
Kat Facts:
– She debuted as a member of A2O MAY.
– She was introduced on October 25, 2024 along with Miche.
SOCIAL MEDIA HANDLES
Instagram: @a2o_kat
Weibo: @A2O-陈佳辰KAT
24. Miche
| Stage Name | Miche |
| Birth Name | Chén Jiāyí (陈佳仪 |
| Position | N/A |
| Birthday | 2005 |
| Active Years | 2024–present |
| Age | 19 (in 2024) |
| Zodiac Sign | Aries |
| Height | 172.5 cm (5’8″) |
| Weight | N/A |
| Nationality | Chinese-American |
| Blood Type | N/A |
| MBTI | N/A |
Miche Facts:
– Miche debuted in A2O MAY.
SOCIAL MEDIA HANDLES
Instagram: @a2o_miche
Weibo: @A2O-陈佳仪MICHE
25. Quchang
| Stage Name | Quchang (曲唱) |
| Birth Name | Qǔ Chàng (曲唱) |
| Position | N/A |
| Birthday | July 28th, 2007 |
| Active Years | 2024–present |
| Age | 17 (in 2024) |
| Zodiac Sign | Leo |
| Height | 176.5 cm (5’9″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Quchang Facts:
– Quchang debuted in A2O MAY.
– She was introduced in November 2024.
SOCIAL MEDIA HANDLES
Instagram: @a2o_quchang
Weibo: @A2O-曲唱QUCHANG
26. Shijie
| Stage Name | Shijie (诗洁) |
| Birth Name | Lǐ Shījié (李诗洁) |
| Position | N/A |
| Birthday | 2007 |
| Active Years | 2024–present |
| Age | 17 (in 2024) |
| Zodiac Sign | Cancer |
| Height | 170.5 cm (5’7″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Shijie Facts:
– Shijie debuted in A2O MAY.
– She was also introduced on October 25, 2024.
SOCIAL MEDIA HANDLES
Instagram: @a2o_shijie
Weibo: @A2O-李诗洁SHIJIE
27. Chenyu
| Stage Name | Chenyu (晨予) |
| Birth Name | Zhū Chényǔ(朱晨予) |
| Position | Youngest |
| Birthday | February 22nd, 2008 |
| Active Years | 2024–present |
| Age | 16 (in 2024) |
| Zodiac Sign | Pisces |
| Height | 171 cm (5’7″) |
| Weight | N/A |
| Nationality | Chinese |
| Blood Type | N/A |
| MBTI | N/A |
Chenyu Facts:
– Chenyu debuted in A2O MAY.
– She was introduced on October 29, 2024
SOCIAL MEDIA HANDLES
Instagram: @a2o_chenyu
Weibo: @A2O-朱晨予CHENYU
Note: If you know more facts about A2O Rookies, please let us know in the comments down below!
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