J-Rocks is an Indonesian rock band formed in 2003 consists of Iman (lead vocals, rhythm guitar), Sony (lead guitar), Wima (bass guitar) and Anton (drums). Their music is mainly heavily influenced by Japanese rock bands. J-Rocks fans are called J-Rockstars.
The band's name, "J-Rocks", comes from "J" and "Rockstar". “J” representing their origin, Jakarta; and they wanted their fans to be called as the “Rockstars” that they are, then abbreviated as “Rocks”.