Jung Ilhoon 정일훈 is the main rapper of BtoB.
Ilhoon was born on Tuesday, October 4, 1994.
He was born in the Chinese Year of the Dog and his zodiac star sign is Libra. He’s 176 cm or 5'9½" tall. His blood type is B.
He studied at Korea College of Media Arts. He also attended Hanlim Multi Arts High School, where Sungjae went. He’s from Seoul.