Dennis Gasser played drums in the original line-up of acclaimed late '80s/early '90s UK thrash metallers Xentrix. He joined the band's previous incarnation, back than under the name of Sweet Vengeance, in 1985, replacing previous sticksman Dave Catchpole.
Xentrix released four albums on Roadrunner Records: "Shattered Existence" (1989), "For Whose Advantage" (1990), "Dilute to Taste" (1991) and "Kin" (1992).
They also issued "Scourge" (1996) on Heavy Metal Records with Simon Gordon on vocals and Andy Rudd on guitar.