Lucifer (stylized Λucifer) is a rock group, best known for contributing several of their songs to the popular anime, Kaikan Phrase. The band was formed in 1999, and disbanded in early 2003. They officially debuted on 15 September 1999 with their big hit single Datenshi BLUE, and became increasingly popular thereafter.

Members:

Makoto Koshinaka - vocals

Atsuro (Daisuke Kato) - guitar

Yuki (Yuuki Masahiko) - guitar

Towa (Taguchi Tomonori) - bass

Santa (Abe Toru) - drums