Johnnie walker Double Black is a Scotch whisky classified as blended scotch whisky. It contains 40% ABV (alcohol by volume). The Johnnie Walker double black 12 years old is one of the best selling whiskeys globally. The whiskey can be traced all the way back in 1909 but during this time it was known as âExtra Special Old Highland Whisky.â It is offered by Johnnie Walker via international drink distributors Diageo.This whiskey is a blend of scotch whiskeys that are aged for a minimum of 12 years. In Kenya, it is among the top 3 most bought whiskeys. It brings together flavors from the four corners of Scotland and this may explain why it is irresistible when once you buy your first bottle.