BAD COMPANY - A 1972 modern cowboy movie starring Jeff Bridges.
CREEDENCE CLEARWATER REVIVAL - unconfirmed origin: after Norvel Creedence, a friend of John Fogerty's . His favorite beer was called Clearwater, after a brief absence from the marketplace it was re-introduced by another brewery - hence Creedence Clearwater Revival.
ELTON JOHN - Real name: Reginald Dwight. Created from two other British musicians: Elton Dean and Long John Baldry.
EMINEM - from his real name Marshall Mathers he took M&M and rewrote it phonetically as Eminem.
SKID ROW - Slang for a rundown inner city neighborhoods where alcoholics, junkies, street people can afford to live.
VAN HALEN - after Alex and Eddie Van Halen - suggested by David Lee Roth as being better than their original name "Mammoth." They might have been called 'Daddy Longlegs' if Gene Simmons of KISS had gotten his way - he partially financed and produced one of their original demo records and suggested names and artwork.