What is the best alcohol to mix with Dr. Pepper?

I blind taste test 32 different liquors and liqueurs mixed with Dr. Pepper to find the best. Single elimination style over 5 rounds. The mix is 3 parts Dr. Pepper to 1 part alcohol.
Alcohols tasted:
1. Plantation OFTD Rum
2. Smith and Cross Rum
3. El Sativo Anejo Tequila
4. Pernod 69 Absinthe
5. Hennessy XO Cognac
6. Kraken Spiced Rum
7. Laphroig 10yr Single Malt Islay Scotch
8. Wild Turkey 101 Rye
9. El Dorado 21yr Rum
10. Leblon Cachaça
11. WhistlePig 10yr Single Barrel Rye
12. Gordon's Vodka
13. Fireball Cinnamon Flavored Whiskey
14. Everclear 190 proof
15. Benedictine D.O.M.
16. Pernod Anise Liqueur
17. Cointreau
18. El Sativo Blanco Tequila
19. El Sativo Reposado Tequila
20. Del Maguey Vida Mezcal
21. Jose Cuervo Tequila
22. Absolut Citron
23. The Christian Brothers VS Brandy
24. Beefeater Gin
25. Grand Marnier
26. Veil Vanilla Vodka
27. Plantation 3 Stars Rum
28. Fernet Branca
29. Johnnie Walker Black Label Scotch
30. Ancient Age Bourbon
31. Jägermeister
32. Green Chartreus