Created by Casamigos Tequila, the Danny Ocean is a refreshing mix of Tequila, Maraschino Liqueur, Lemon Juice, Grapefruit Juice, and Agave Nectar. The tequila and Maraschino liqueur give the drink a smooth taste, while the lemon and grapefruit juice add a tart sweetness. The agave nectar gives the Danny Ocean a touch of sweetness and an extra kick of flavor. The Danny Ocean was created by bartenders at Casamigos Tequila in Los Angeles, California. The drink was named after the film character Danny Ocean, played by George Clooney. The character is known for his sophisticated taste and love of fine things. The Danny Ocean is a perfect summertime cocktail.