Darkstalkers, known in Asia as Vampire (ヴァンパイア, Vanpaia), is a series of 2D fighting games produced by Capcom during the late 1990s for the CPS-2 hardware. The series is notable for its cast of characters based on well-known fictional monsters (hence its Japanese title, Vampire) and introduced many of the concepts used in later Capcom fighting games, including the use of sixteen color animation sprites later employed in the Street Fighter Alpha and the Marvel vs. Capcom series. There have been five arcade games in the series with a few console ports produced as well.