A2O Rookies Profile and Facts:
A2O Rookies are the trainees under A2O Entertainment (produced by Lee Sooman). The trainees will get a chance to be the next A2O Entertainment artist, whether it be as a soloist, unit, or group / groups.
The trainees are divided into different age groups; High Teen Girls (16 & Up), Low Teen Girls (15 & Under), High Teen Boys (16 & Up), and Low Teen Boys (15 & Under).
Official Greeting: “Hello. We are A20 Rookies!”
Official Logo:
Official SNS:
Website: a2oentertainment.com
Instagram: @a2o_channel
X: @A2O_Channel
TikTok: @A2O_Channel
Douyin: @A2O_Channel
YouTube: A2O Channel
Facebook: A2O Channel
Weibo: @A2O_Channel
Bilibili: A2O_Channel
A20 Rookies Member Profiles:
High Teen Girls (16 & Up)
Neemo
Stage Name: Neemo
Birth Name: Zhōu Huìyǐng (周慧颖)
Birthday: August 7, 2004
Zodiac Sign: Leo
Chinese Zodiac Sign: N/A
Height: 166 cm (5’5″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_neemo
Weibo: @A2O-周慧颖NEEMO
Neemo Facts:
– Birthplace: Guangdong, China.
– She was revealed as a trainee on October 30, 2024.
– Singing and reading books are her hobbies.
WeiY
Stage Name: WeiY
Birth Name: Lǐ Wéiyí (李唯怡)
Birthday: 2007
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: N/A
Height: 168.5 cm (5’6″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_weiy
Weibo: @A2O-李唯怡WeiY
WeiY Facts:
– Birthplace: Sichuan, China.
– She was revealed as a trainee on October 30, 2024.
– Singing and dancing are her hobbies.
Hazen
Stage Name: Hazen
Birth Name: Xú Huìzhēn (徐彗真)
Birthday: January 4, 2008
Zodiac Sign: Capricorn
Chinese Zodiac Sign: N/A
Height: 162.5 cm (5’4″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_hazen
Weibo: @A2O-徐彗真HAZEN
Hazen Facts:
– Birthplace: Beijing, China.
– She was revealed as a trainee on December 11, 2024.
– Playing basketball is her hobby.
Rae
picture not available
Stage Name: Rae
Birth Name: Hè Xǐzhēn (贺玺祯)
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Rae Facts:
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Low Teen Girls (15 & Under)
Xili
Stage Name: Xili (淅沥)
Birth Name: Liáng Xīlì (梁淅沥)
Birthday: November 6, 2010
Zodiac Sign: Scorpion
Chinese Zodiac Sign: N/A
Height: 158.5 cm (5’2″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_xili
Weibo: @A2O-梁淅沥XILI
Xili Facts:
– Birthplace: Zhejiang, China.
– For her, dancing has always been her way of expressing herself.
– She was revealed as a trainee on October 25, 2024.
– Dancing and singing are her hobbies.
Sansan
Stage Name: Sansan
Birth Name: Lín Yùshān (林钰珊)
Birthday: April 16, 2010
Zodiac Sign: Aries
Chinese Zodiac Sign: Tiger
Height: 165 cm (5’5″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_sansan
Threads: @a2o_sansan
Weibo: @A2O-林钰珊SANSAN
Sansan Facts:
– Birthplace: Zhejiang, China.
– Sansan can speak Chinese and English.
– She is a fan of BLACKPINK.
– Sansan is a model and actress.
– She was revealed as a trainee on October 25, 2024.
– Dancing and singing are her hobbies.
Maxitong
Stage Name: Maxitong (马西桐)
Birth Name: Mǎ Xītóng (马西桐)
Birthday: May 31, 2011
Zodiac Sign: Gemini
Chinese Zodiac Sign: Rabbit
Height: 161 cm (5’3″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_maxitong
Weibo: @A2O-马西桐MAXITONG
Maxitong Facts:
– Birthplace: Zhejiang, China.
– She is a former child model.
– She was revealed as a trainee on October 25, 2024.
– Dancing and singing are her hobbies.
Baowei
picture not available
Stage Name: Baowei
Birth Name: Zhōu Bǎowēi (周宝薇)
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Baowei Facts:
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High Teen Boys (16 & Up)
Teo
Stage Name: Teo
Birth Name: Máo Tíngxuān (毛廷瑄)
Birthday: July 30, 2009
Zodiac Sign: Leo
Chinese Zodiac Sign: Ox
Height: 172.5 cm (5’8″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_teo
Weibo: @A2O-毛廷瑄TEO
Teo Facts:
– Birthplace: Henan, China.
– He was revealed as a trainee on October 25, 2024.
– Dancing, playing basketball, and doing performances are his hobbies.
Gaku
Stage Name: Gaku (がく)
Birth Name: Kajiwara Gaku
Birthday: September 4, 2009
Zodiac Sign: Virgo
Chinese Zodiac Sign: Ox
Height: 173.5 cm (5’8″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese
Instagram: @a2o_gaku
Weibo: @A2O-梶原楽GAKU
Gaku Facts:
– Birthplace: Hyogo, Japan.
– He has two younger brothers, Sono and Nagi.
– Gaku was revealed as a trainee on October 25, 2024.
– Dancing and singing are his hobbies.
Junlin
Stage Name: Junlin
Birth Name: Huáng Jùnlín (黄俊霖)
Birthday: November 9, 2009
Zodiac Sign: Scorpio
Chinese Zodiac Sign: Ox
Height: 174 cm (5’9″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_junlin
Weibo: @A2O-黄俊霖JUNLIN
Junlin Facts:
– Birthplace: Sichuan, China.
– He was revealed as a trainee on February 14, 2025.
– Dancing, play the guitar, play basketball, and listening to music are Junlin’s hobbies.
Low Teen Boys (15 & Under)
Lyca
Stage Name: Lyca
Birth Name: Lǐ Yìncén (李胤岑)
Birthday: January 27, 2011
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Tiger
Height: 161.5 cm (5’4″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_lyca
Weibo: @A2O-李胤岑LYCA
Lyca Facts:
– Birthplace: Chongqing, China.
– He was revealed as a trainee on November 22, 2024.
– Singing and dancing are Lyca’s hobbies.
Viktor
picture not available
Stage Name: Viktor
Birth Name: Léi Jiālún (雷迦伦)
Birthday: March 19, 2011
Zodiac Sign: Pisces
Chinese Zodiac Sign: Rabbit
Height: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Viktor Facts:
– Birthplace: Zhejiang, Hangzhou, China.
Tai
Stage Name: Tai
Birth Name: Chí Xītài (池析泰)
Birthday: August 9, 2011
Zodiac Sign: Leo
Chinese Zodiac Sign: Rabbit
Height: 176 cm (5’9″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_tai
Weibo: @A2O-池析泰TAI
Tai Facts:
– Birthplace: Neimenggu, China.
– He was revealed as a trainee on October 25, 2024.
– Doing music, horseback riding, camping, acting, and dancing are his hobbies.
Jiayi
Stage Name: Jiayi (嘉一)
Birth Name: Dù Jiāyī (杜嘉一)
Birthday: January 6, 2012
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Rabbit
Height: 164 cm (5’5″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_jiayi
Weibo: @A2O-杜嘉一JIAYI
Jiayi Facts:
– Birthplace: Hebei, China.
– He was revealed as a trainee on October 25, 2024.
– Singing and dancing are Jiayi’s hobbies.
Ares
Stage Name: Ares
Birth Name: Wáng Hàomíng (王颢铭)
Birthday: February 27, 2012
Zodiac Sign: Pisces
Chinese Zodiac Sign: Dragon
Height: 159.5 cm (5’3″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_ares
Weibo: @A2O-王颢铭ARES
Ares Facts:
– Birthplace: Hebei, China.
– He was revealed as a trainee on October 25, 2024.
– Singing and dancing are Ares’ hobbies.
Ayden
Stage Name: Ayden
Birth Name: Dèng Mínchuān (邓忞川)
Birthday: March 27, 2012
Zodiac Sign: Aries
Chinese Zodiac Sign: Dragon
Height: 169 cm (5’7″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_ayden
Weibo: @A2O-邓忞川AYDEN
Ayden Facts:
– Birthplace: Beijing, China.
– He was revealed as a trainee on October 25, 2024.
– Painting, dancing, music, and learning are Ayden’s hobbies.
Hanze
Stage Name: Hanze (瀚泽)
Birth Name: Liú Hànzé (刘瀚泽)
Birthday: June 21, 2012
Zodiac Sign: Gemini
Chinese Zodiac Sign: Dragon
Height: 166.5 cm (5’6″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_hanze
Weibo: @A2O-刘瀚泽HANZE
Hanze Facts:
– Birthplace: Guangdong, China.
– He was revealed as a trainee on October 25, 2024.
– Dancing, music, painting, rapping, and playing basketball are Hanze’s hobbies.
SSSun
Stage Name: SSSun
Birth Name: Sūn Shíshàng (孙石尚)
Birthday: June 22, 2012
Zodiac Sign: Cancer
Chinese Zodiac Sign: Dragon
Height: 153 cm (5’0″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_sssun
Weibo: @A2O-孙石尚SSSun
SSSun Facts:
– Birthplace: Hebei, China.
– He has stated that he hopes to dance, shine, and spread sunshine with fans.
– SSSun was revealed as a trainee on October 25, 2024.
– Dancing, cycling, and playing badminton are his hobbies.
NuoNuo
Stage Name: NuoNuo
Birth Name: Dài Yánnuò (戴言诺)
Birthday: December 13, 2013
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Snake
Height: 145.5 cm (4’9″)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Instagram: @a2o_nuonuo
Weibo: @A2O-戴言诺NUONUO
NuoNuo Facts:
– Birthplace: Sichuan, China.
– He was revealed as a trainee on November 1, 2024.
– Studying, singing, dancing, and playing basketball are NuoNuo’s hobbies.
David
picture not available
Stage Name: David
Birth Name: Kim David (김다비드)
Birthday: January 7, 2014
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Snake
Height: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean-Russian
David Facts:
– Birthplace: Hwaseong, Gyeonggi-do, South Korea.
– His mom is Russian and his dad is South Korean.
– He has an older sister.
– He can speak Korean, Russian, and English.
– David is a former kids’ model.
Sono
picture not available
Stage Name: Sono
Birth Name: Sono Kajiwara
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese
Sono Facts:
– Birthplace: Hyogo, Japan.
– Gaku is his older brother.
Nagi
picture not available
Stage Name: Nagi
Birth Name: Nagi Kajiwara
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese
Nagi Facts:
– Birthplace: Hyogo, Japan.
– Gaku is his older brother.
Xuyao
picture not available
Stage Name: Xuyao
Birth Name: Zhōu Xùyáo (周旭垚)
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Xuyao Facts:
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Debuted Trainees:
A2O MAY
Members: Kat, Miche, Shijie, Quchang, & Chenyu.
Debuted: December 20, 2024
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For reference on MBTI types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging
Note 2: Heights have been updated on March 5 & March 23, 2025 – source: Official Website.
Made by: ST1CKYQUI3TT
(Special thanks to: Calysta Cordelia, JJ debut manifesting, 487amor, and more!)
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