Lunatic was a French hip hop duo from Boulogne-Billancourt.The lineup consisted of Booba (Boulogne-Billancourt) and Ali (Issy-les-Moulineaux), coming from the department of Hauts-de-Seine in the west suburb of Paris. After Lunatic split up in 2003, both members went on to solo careers.Their release "Le Crime Paie" was produced by DJ Mars.