Generics aside here's what I could come up with..
Vikings - King Canute the Great, Leif Ericsson, Olav Haraldsson
Warlords - Gengis Kahn, Atilla the Hun.
Musketeers - [They were based on real people] D'Artagnan, Henri D'Aramitz (Aramis), Armand de Sillegue, Lord of Athos, (Athos), Isaac de Portau (Porthos)
Pirates - Stede Bonet, Anne Bonny, Sir Francis Drake, William Kidd, Jean Lafitte, Bartholomew "Black Bart" Roberts, etc..
Conquistadors - Hernando De Soto, Vasco Nunez de Balboa, Hernan Cortes, Francisco Pizarro, Francisco de Orellana.
Samurai - Miyamoto Musashi .
Ninja - Hattori Hanzo
Knights - Richard the Lionheart, Of course Arthur and any of his knights.
Misc - Robin Hood, Rob Roy, William Wallace, Zorro, Marquis de Sade???
That's all I could come up with. Some are marginal but based on real historical personalities.