Derek Albion Smalls is a fictional character played by Harry Shearer best know for his appearance in the spoof rockumentary This Is Spinal Tap. He is the bassist for mock British heavy metal group Spinal Tap, playing alongside guitarists Nigel Tufnel (Christopher Guest) and David St. Hubbins (Michael McKean), as well as with a plethora of drummers and keyboardists. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.