There are several bands having gone by the name "Badlands", the most famous being the late '80s hard rock band formed by former Black Sabbath vocalist Ray Gillen. There was also another band called Badlands with John Sykes and Neil Murray. Both bands named Badlands had former Black Sabbath members as members.
Gillen's Badlands bio: Badlands was a short-lived rock band founded by Ozzy Osbourne guitarist Jake E. Lee and Black Sabbath members Ray Gillen and Eric Singer.