Fastback is a car body style characterized by a continuous slope from the roof to the base of the deck lid. Fastback may also refer to: Fastback (comics), DC Comics fictional superhero FastBack (software), software for backing up Macintosh and IBM PC computers Fiat Fastback, a subcompact coupe SUV IBM Tivoli Storage Manager FastBack, continuous data protection and recovery management platform Capella Fastback, one of the Capella XS light aircraft Norton Commando Fastback, the original version of the Commando line introduced from 1968