May I try again?

I really messed the one about celebrities/pets up. My bad! I should have told everybody that it was based on a 2004 pole. How about an easier one. I'll give you the original name, You tell me who the celebrity is. 1. Bob Smith 2. Arthur Stanley Jefferson 3. Joseph Levitch 4. Leonard Slye 5. Steveland Judkins Morris 6. William Henry Pratt 7. Issur Danielovitch 8. Roy Fitzgerald 9. Marion Michael Morrison 10. Dianne Belmont 11. Nat Birnbaum 12. Henry John Deutschendorf, Jr. Good luck.