Skanna is an alias of John Graham aka Quivver. He also uses the aliases Stoneproof and Space Manoeuvres - Stoneproof for house and Space Manoeuvres for trance, the name Skanna being used for mainly hardcore/ drum and bass releases. He is a former member of 90's production team Tilt and has previously worked with Hybrid, notably as a guest vocalist on the "I Choose Noise" album.