Samson Isberg (26 April 1795 – 25 May 1873) was a Norwegian executioner. He served as Norway's official executioner from 1849 to 1868.

Matteo Messina Denaro (Italian pronunciation: [matˈtɛːo mesˈsiːna deˈnaːro]; 26 April 1962 – 25 September 2023), also known as Diabolik (from the Italian comic book character), was an Italian mafia boss from Castelvetrano. He was considered to be one of the new leaders of the Cosa Nostra after the arrests of Bernardo Provenzano on 11 April 2006 and Salvatore Lo Piccolo in November 2007.

William "Willie the Rat" Dominick Cammisano Sr. (April 26, 1914 – January 26, 1995) was an American mobster and enforcer for Nicholas Civella's Kansas City crime family.

Rudolf Walter Richard Hess (Heß in German; 26 April 1894 – 17 August 1987) was a German politician, convicted war criminal, and a leading member of the Nazi Party in Germany. Appointed Deputy to the Führer (Stellvertreter des Führers) in 1933, Hess held that position until 1941, when he flew solo to Scotland in an attempt to negotiate the United Kingdom's exit from the Second World War.