At the front of the New Jack movement was the group, Guy, who appeared on the scenes in 1987. The first incarnation of the group was made up of Aaron Hall and Timmy Gatling, both students at HBCU Virginia State University. Teddy Riley formed the group and together they helped drive the movement.

Their self-titled debut album released during the same year was a hit, with the single 'Groove Me' reaching #4 on 'Teddy's Jam' reaching #5 on the R&B charts. The album's last single, 'I Like' managed to reach #2 on the R&B charts. With a strong set of singles, the album managed to go double platinum.

Gatling left the group after the release of their first album and was replaced by Aaron's younger brother Damian. In 1990, the group released their second album, The Future. The album went platinum and featured the hits 'Wanna Get With You' which reached #4 on the R&B charts, 'Let's Chill', which reached #3, 'Do Me Right' which reached #2 and 'D-O-G Me Out' which reached #8.

Unfortunately, the group went their separate ways shortly after the album's success. Riley began producing for other artists and formed the group Blackstreet. Aaron Hall released his solo album, The Truth, in 1993 and Damion followed suit in 1994 with Straight to the Point.

The group reunited in 1999 and released the album Guy III in 2000. The album had one popular single, 'Dancin'' which reached #4 on the R&B charts but made little impression besides.