Red Velvet is a South Korean girl group formed by S.M. Entertainment. The group debuted on August 1, 2014, with their digital single "Happiness" and with four members: Irene, Seulgi, Wendy and Joy. In March 2015, Red Velvet added a fifth member, Yeri, to the group.

Stage Name: Irene/아이린
Real Name: Bae Juhyun/배주현/裴珠泫
Nicknames: Baechu, The 2nd Tiffany, Hyun-ah
Birthday: March 29, 1991
Birthplace: Daegu, South Korea
Blood Type: A
Height: 158 cm
Weight: 44 kg
Position in group: Leader, Main Rapper, Lead Dancer, Vocalist, Visual, Center
Languages: Korean
Instruments: none
Hobbies: dancing, cooking seaweed soup for the members’ birthdays
Siblings: younger sibling

Stage Name: Seulgi/슬기
Real Name: Kang Seulgi/강슬기/姜澀琪
Nicknames: Kkangseul, Teddy Bear
Birthday: February 10, 1994
Birthplace: Ansan, Gyeonggi-do, South Korea
Blood Type: A
Height: 162 cm
Weight: 44 kg
Position in group: Main Dancer, Lead Vocalist
Languages: Korean, Japanese
Instruments: guitar
Hobbies: drawing, playing the guitar
Siblings: older brother
Education: Byungmal Middle School; Seoul School of Performing Arts

Stage Name: Wendy/웬디
Real Name: Son Seungwan/손승완/孫承歡/Wendy Son
Nicknames: Olaf, Wan-ah
Birthday: February 21, 1994
Birthplace: Seongbuk-dong, Seoul, South Korea
Blood Type: O
Height: 158 cm
Weight: 47 kg
Position in group: Main Vocalist
Languages: English, Korean
Instruments: piano, guitar, flute, saxophone
Hobbies: finding rare songs, cooking, walking by cafes, singing
Siblings: older sister Son Seunghee
Education: Shattuck-Saint Mary’s School; Richmond Hill High School

Stage Name: Joy/조이
Real Name: Park Sooyoung/박수영/朴秀榮
Nicknames: Doongdoongie, Malgeumi
Birthday: September 3, 1996
Birthplace: Jeju Island, South Korea
Blood Type: A
Height: 167 cm
Weight: 54 kg
Position in group: Lead Rapper, Lead Vocalist
Languages: Korean
Hobbies: watching movies
Siblings: two younger sisters
Education: Seoul School of Performing Arts

Stage Name: Yeri/예리
Real Name: Kim Yerim/김예림/金藝琳
Birthday: March 5, 1999
Birthplace: Seoul, South Korea
Blood Type: O
Height: 160 cm
Weight: 49 kg
Position in group: Lead Dancer, Rapper, Vocalist, Maknae
Languages: Korean
Siblings: three younger sisters
Education: Hanlim Multi Art School