Johnnie Walker is not a recognized vodka brand; it is actually a well-known brand of Scotch whisky. Established in the 19th century, Johnnie Walker produces a variety of blended Scotch whiskies, each with distinctive flavor profiles and aging processes.
In contrast, Grey Goose, Skyy, and Belvedere are all established vodka brands. Grey Goose, originating from France, is known for its high quality and smoothness. Skyy, a brand from the United States, is recognized for being distilled four times for a clean taste. Belvedere, produced in Poland, is made from rye and is also known for its premium quality. These three brands represent the diversity and character that can be found in vodka production, while Johnnie Walker represents the whisky category entirely.