Nicodemo Domenico Scarfo Sr. (March 8, 1929 – January 13, 2017) also known as "Little Nicky", was a figure in the Italian-American mafia who was the boss of the Philadelphia crime family between 1981 and 1990.

Yevgeny Anatolyevich Litovchenko (Russian: Евгений Анатольевич Литовченко; Ukrainian: Євген Анатолійович Литовченко, romanized: Yevhen Anatoliiovych Lytovchenko) is a Ukrainian murderer, serial rapist and suspected serial killer. The prime suspect in at least 4 murders and a series of rapes in Leningrad Oblast, Russia, from 2006 to 2014, he was detained by Russian authorities and confessed to the crimes, but escaped during an investigative experiment on June 6, 2014.

Mary A. Cowan (née Knight; March 8, 1863 – September 17, 1898), known as The Borgia of Maine, was an American serial killer who poisoned two husbands and four children between 1884 and 1894, and attempted to murder a third husband.

Nazario Moreno González (8 March 1970 – 9 March 2014), commonly referred to by his aliases El Chayo ('Nazario' or 'The Rosary') and El Más Loco ('The Craziest One'), was a Mexican drug lord who headed La Familia Michoacana before heading the Knights Templar Cartel, a drug cartel headquartered in the state of Michoacán. He was one of Mexico's most-wanted drug lords.

Alexey Sergeevich Kruglov (Russian: Алексей Сергеевич Круглов; born 8 March 1986), known as The Istra Maniac (Russian: Истринский маньяк), is a Russian serial killer, rapist and pedophile. He raped and killed 4 children in the Istrinsky District of the Moscow Oblast.

Ferdinand I (Italian: Ferdinando I; 12 January 1751 – 4 January 1825) was King of the Two Sicilies from 1816 until his death. Before that he had been, since 1759, King of Naples as Ferdinand IV and King of Sicily as Ferdinand III.