Superman Is Dead (abbreviated SID) is a musical group from Bali, based on Poppies Lane II – Kuta. This band consists of three young Balinese men, namely: Bobby Cool as a guitarist and vocalist, Eka Rock as a bassist, and Jerinx as drummer.

At the beginning of the emergence, around the end of 1995, SID influenced style of foreign bands like Green Day and NOFX. In later life, musical inspiration SID shifted to the genre Punk ‘n Roll band à la Supersuckers, Living End and Social Distortion.

Superman Is Dead fans are called the Outsiders for men and Lady Rose for a female.

Superman Is Dead are usually called SID formed in 1995. The origin of the SID (Superman Is Dead) led by members of the heavy metal band named Ari Astina or often called Jerinx who want to form a new band. And the drummer for new wave punk band diamond clash Sartika Budi who used to be called Bobby Kool want to be a guitarist and vocalist.

Jerinx and Bobby met in Kuta Bali. The two men then agreed to form a band. At that time the bass was filled by additional bassist named Ajuzt. Their band initially brought the songs from Green Day.

Day by day out came the new personnel named Eka Arsana or Eka Rock. Eka become official as SID personnel. At the first time SID is not SID but Superman is Silver Gun. Then because of the name Silver Gun is less suitable then chaanged to be Superman Is Dead or SID. Superman Is Dead have the meaning which is that the perfect man is a mere illusion and the human imagination that will never exist.