Statistics, Data Analysis and Probability K12 Twenty Knights sit around the Round Table in the following order:

1. King Arthur
2. Sir Gawain
3. Sir Lancelot
4. Sir Percival
5. Sir Galahad
6. Sir Bors
7. Sir Kay
8. Sir Gareth
9. Bedivere
10. Lucan the Butler
11. Sir Griflet
12. Sir Yvain
13. Sir Erec
14. Cador
15. Hoel
16. King Pellinor
17. Tristan
18. Morholt
19. Palemedes
20. Dinadan

Every second Knight leaves the Round Table for a battle until only one is left.

Who is he?