The Purple Viking is a tasty cocktail made with Southern Comfort, Blue Curaçao Liqueur, Blueberry Liqueur, Gin, Lime Juice, Sour Mix, and Sprite. The cocktail gets its name from the color of the drink, which is a deep purple. The flavor of the cocktail is sweet and sour, with a hint of blueberry and citrus. The history of the Purple Viking is unclear, but it is believed to have originated in the United States. Grab some friends and try out the Purple Viking!