Peppertones (Hangul: 페퍼톤스), is a Korean rock band formed in 2003 by Shin Jae-pyung (a.k.a. Sayo) and Lee Jang-won (a.k.a. Noshel). Shin and Lee met as students of Computer Science major at KAIST in Daejeon, South Korea. The band's first EP album A Preview was released in 2004. They released their first album, Colorful Express, in 2005.