- Full name: Bae Joo-hyun
- Date of Birth: March 29, 1991
- Nationality: Korean
- Blood type: A
- Group: Red Velvet
- Agency: SM Entertainment
- Debut: 2014, ‘Hapiness’
- Position in the group: Center, leader, main rapper, sub vocalist, lead dancer
- Family members: Mom, dad, younger sister, Irene
- Nickname: ‘Baechu(cabbage), ‘Hyuni’,’Ending fairy’, and ‘bae rabbit’
- Irene is the oldest member of Red Velvet and is the leader of the group
- Irene’s image color in Red Velvet is pink
