Fernand Petiot was a French bartender known for creating the famous cocktail called the Bloody Mary. He developed this drink in the 1920s while working at the King Cole Bar in New York City. The cocktail typically combines vodka, tomato juice, and various spices and flavorings, making it a popular choice for brunch. Petiot's original recipe for the Bloody Mary has inspired countless variations over the years. His innovative approach to mixology helped elevate the status of cocktails in American culture, and he is often credited with popularizing the drink, which remains a staple in bars and restaurants worldwide.