Doktor Avalanche

The good Doktor is renowned as the only member of the Sisters of Mercy to have remained with Andrew Eldritch through the many incidents of in-fighting, splits and new line-ups. The Doktor has gone through a number of incarnations during his career, beginning life as a Boss DR55 'Doctor Rhythm' machine. The Doktor became a Roland Drum Machines TR606, then a TR808, briefly, a TR909.