Diabolic is an American death metal band from Tampa, Florida, founded in 1998 by drummer Aantar Lee Coates and guitarist Brian Malone.
Diabolic released their first album, Supreme Evil, in 1998 on Conquest Music. Diabolic released a number of high quality records in the subsequent years and did a number of high profile tours including the 1999 "Death Metal Massacre" package alongside Cannibal Corpse, God Dethroned and Hate Eternal. Diabolic would support death metal institution Morbid Angel in the same year.In November 2002 after completing a European tour with Deicide the group fell into two camps. Founding member Brian Malone putting together a line up consisting of Eric Hersemann, French drummer Gael Barthelemy and Coffin Texts' Robert Cardenas, were to carry on with the band name "Diabolic" and that Coates, together with Kelly McLauchlin of Pessimist (guitars) and erstwhile members Paul Ouellette (vocals/bass) and Jerry Mortellaro (guitars) branched off into a completel