William Jackson, also known as Action Jackson (December 13, 1920 – August 11, 1961) was an enforcer and loan collector for the Chicago Outfit. He earned his nickname of "Action" because it was slang for "Juice Man", which meant debt-collector.

Joseph John Aiuppa (December 1, 1907 – February 22, 1997), also known as "Joey O'Brien" and "Joey Doves", was an American mobster who became a leader of the Chicago Outfit from 1971 until his skimming conviction in 1986.

Pablo Emilio Escobar Gaviria (; Spanish: [ˈpaβlo eskoˈβaɾ]; 1 December 1949 – 2 December 1993) was a Colombian drug lord, narcoterrorist, and politician who was the founder and leader of the Medellín Cartel. Dubbed the "King of Cocaine", Escobar was one of the wealthiest conventional criminals in history, having amassed an estimated net worth of US$30 billion by his death, while his drug cartel monopolized the cocaine trade into the US in the 1980s and early 1990s.