I.O.I

Real Name: Jung Chae Yeon
Real Name (Hangul): 정채연

Nickname(s): Daeng  

Place of Birth: Jeollanam-do, South Korea
Date of Birth: December 01, 1997 
Zodiac Sign: Sagittarius

Estimated Height: 5’5″ (166 cm)
Estimated Weight: 108 lbs (49 kg)
Blood Type: A

Position: Vocalist
Specialty: Dancing

Language(s): Korean (Native)

Real Name: Kim Chan-mi
Real Name (Hangul): 김찬미

Nickname(s): Alcohol  

Place of Birth: Seoul, South Korea
Date of Birth: February 09, 1996  
Zodiac Sign: Aquarius

Estimated Height: 5’3″ (161 cm)
Estimated Weight: 97 lbs (44 kg)
Blood Type: A

Position: Vocalist, Dancer, Rapper
Specialty: Choreography, Dance

Language(s): Korean (Native), English (Fluent)

Real Name: Kim Do Yeon
Real Name (Hangul): 김도연

Nickname(s): Little Jun Ji Hyun  

Place of Birth: Incheon, South Korea
Date of Birth: December 04, 1999
Zodiac Sign: Sagittarius

Estimated Height: 5’8″ (173 cm)
Estimated Weight: 110 lbs (50 kg)
Blood Type: O

Position: Vocalist
Specialty: Dancing

Language(s): Korean (Native)

Real Name: Zhou Jie Qiong
Real Name (Hangul): N/A

Nickname(s): Joo Jae Duk  

Place of Birth: Shanghai, China
Date of Birth: December 16, 1998  
Zodiac Sign: Sagittarius

Estimated Height: 5’5 cm (166 cm)
Estimated Weight: 103 lbs (47 kg)
Blood Type: O

Position: Vocalist, Dancer
Specialty: Guitar, Pipa, Dance

Language(s): Mandarin (Native), Korean (Fluent)

Real Name: Kang Mi Na
Real Name (Hangul): 강미나

Nickname(s): Juice Girl  

Place of Birth: Icheon, South Korea
Date of Birth: December 04, 1999
Zodiac Sign: Sagittarius

Estimated Height: 5’3″ (162 cm)
Estimated Weight: 105 lbs (48 kg)
Blood Type: O

Position: Vocalist, Dancer, Rapper
Specialty: Waacking Dance

Language(s): Korean (Native)

Real Name: Kim Se Jeong
Real Name (Hangul): 김세정

Nickname(s): Uncle  

Place of Birth: Jeonju, South Korea
Date of Birth: August 28, 1996
Zodiac Sign: Virgo

Estimated Height: 5’5″ (164 cm)
Estimated Weight: 105 lbs (48 kg)
Blood Type: AB

Position: Vocalist
Specialty: Singing Ballads

Language(s): Korean (Native)

Real Name: Kim So Hye
Real Name (Hangul): 김소혜

Nickname(s): Penguin  

Place of Birth: Seoul, South Korea
Date of Birth: July 19, 1999  
Zodiac Sign: Cancer

Estimated Height: 5’4″ (163 cm)
Estimated Weight: 105 lbs (48 kg)
Blood Type: A

Position: Vocalist, Rapper
Specialty: Ocarina, Acting

Language(s): Korean (Native)

Real Name: Ennik Somi Douma
Real Name (Hangul): N/A

Nickname(s): Vitamin, Maknae on top  

Place of Birth: Ontario, Canada
Date of Birth: March 09, 2001
Zodiac Sign: Pisces

Estimated Height: 5’7″ (169 cm)
Estimated Weight: 105 lbs (48 kg)
Blood Type: O

Position: Vocalist, Dancer, Rapper
Specialty: Taekwondo

Language(s): English (Native), Korean (Fluent)

Real Name: Yu Yeonjung
Real Name (Hangul): 유연정

Nickname(s): N/A

Place of Birth: Gyeonggi Province, South Korea
Date of Birth: August 03, 1999
Zodiac Sign: Leo

Estimated Height: 5’5″ (166 cm)
Estimated Weight: 114 lbs (52 kg)
Blood Type: A

Position: Vocalist
Specialty: Guitar

Language(s): Korean (Native)

Real Name: Choi Yoo Jung
Real Name (Hangul): 최유정

Nickname(s): Wink Fairy, Yoodaeng  

Place of Birth: Guri, South Korea
Date of Birth: November 12, 1999
Zodiac Sign: Scorpio

Estimated Height: 5’2″ (157 cm)
Estimated Weight: 97 lbs (44 kg)
Blood Type: O

Position: Vocalist, Dancer, Rapper
Specialty: Dancing, Rapping, Songwriting

Language(s): Korean (Native)