Since I like your threadjack more than the original topic, and since I appear to have alienated Allan, I will throw out a few names of stuff I like (I am soliciting suggestions here).

Continuing bands:
-Operation Ivy
-Nine Inch Nails
-The Doors
-The Rolling Stones
-The Carter Family (only band to ever send someone to the Whitehouse)
-Ministry
-Aquabats (i am kind of ashamed of this)
-Guns N Roses
-The Cramps
-Misfits
-Pogues
-Desmond Dekker
-Skatalites
-Flogging Molly
-White Zombie
-Creedence Clarewater Revival
-VNV Nation
-Happy Mondays
-Pennywise
-L7
-The Cult
-Johnny Cash
-Elvis Presley
-Molotov
-Manu Chao/Mano Negra
-The Pixies
-Concrete Blonde
-Social Distortion

Rotating Lineups:
-Revolting Cocks
-Traveling Wilburys
-Pigface
-Bran Van 3000

Satire:
Richard Cheese
Weird Al
Me too and the Gimee Gimmees
The Blanks (often featured on Scrubs)