Supersystem was a band from Washington, D.C. described as a mix of rock, punk, pop and dance music.

Originally El Guapo, the group changed their name after adding a new drummer and because of a general dislike of the original name.

El Guapo consisted of keyboardist Pete Cafarella, guitarist Rafael Cohen, bassist "Justin Destroyer" (Justin Moyer), and drummer Nate Smith; Smith left the band before they signed to Dischord.

Supersystem consisted of Cafarella, Cohen, Moyer, and drummer Joshua Blair.

Moyer records and tours under the name "Edie Sedgwick"; Blair drums in Orthrelm; Cafarella and Smith play in the duo Shy Child; and Cohen is a member of !