Michel Peiry (born 28 February 1959), known as The Sadist of Romont, is a Swiss serial killer who killed at least 5 people between 1981 and 1987.

Marcel Chevalier (28 February 1921 in Montrouge, Seine – 8 October 2008 in Vendôme) worked as the last chief executioner (Monsieur de Paris) in France.

Pedro Pablo Nakada Ludeña (born February 28, 1973) a.k.a. "El Apóstol de la Muerte" ("The Apostle of Death") is a Peruvian serial killer who claimed 25 victims and was convicted of 17 murders.

Aslan Rashidovich Usoyan (Georgian: ასლან რაშიდოვიჩ უსოიანი, Russian: Асла́н Раши́дович Усоя́н; 27 February 1937 – 16 January 2013), also known as Baba Gurgur and Grandpa Hassan ("Дед Хасан") or just Grandpa ("Дедушка"), was a Georgian-born Soviet-Russian crime boss of Yazidi Kurdish descent, who began his career operating in Georgia, continued in Moscow, Ural, Siberia, Uzbekistan, Krasnodar, Sochi, and other parts of the former Soviet Union. According to The Economist, he was 'reputed to be Russia's mafia boss'.

Benjamin "Bugsy" Siegel (; February 28, 1906 – June 20, 1947) was an American mobster who was a driving force behind the development of the Las Vegas Strip. Along with his childhood friend and fellow gangster Meyer Lansky, Siegel was influential within the Jewish-American mob, the Italian-American Mafia, and the largely Italian-Jewish coalition known as the National Crime Syndicate.