What is the best alcohol to mix with Coke?

I mix every type of alcohol with Coca-Cola to find out which is best.
Bracket match up style.
Mix consists of 1/2 ounce liquor chilled on ice with 1 ounce of coke.
Liquors tested are
Hennessy XO Cognac
El Dorado 21yr rum
Amador Ten Barrels
Pernod 68 Absinthe
Senor Rio Tequila Blanco
Stolichnaya Elit Vodka
Tanqueray No. Ten Gin
Malahat Rum
Grand Marnier Cordon Rouge
Decourtet VS Cognac
Jose Cuervo Especial Silver Tequila
Cruzan Aged Dark Rum
Gordon's Gin
Earl Settler Bourbon
Bacardi Superior
Gordon's Vodka