| M | Mob | fictional character from Mob Psycho 100 |
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Mohammad bin Salman | Saudi crown prince (born 1985) |
| MR | Moira Rose | fictional character from Schitt's Creek |
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Moon Jae-in | 12th President of the Republic of Korea |
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Morgan Freeman | American actor and producer (born 1937) |
| MJ | Morgan Jones | fictional character from The Walking Dead |
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Morpheus | fictional character from The Matrix trilogy |
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Moses | Abrahamic prophet said to have led the Israelites out of Egypt |
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Mother Teresa | Albanian-Indian Catholic nun and missionary (1910–1997) |
| MB | Mr Bennet | fictional character from Pride and Prejudice |
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Mrs. Bennet | fictional character from Pride and Prejudice |
| MS | Mr. Smithers | fictional character from The Simpsons |
| M | Mufasa | fictional character from The Lion King |
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Mulan | fictional character from Mulan |
| MB | Muriel Bagge | fictional character from Courage the Cowardly Dog |
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Murray Rothbard | American economist (1926–1995) |
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Mycroft Holmes | fictional character from canon of Sherlock Holmes |
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Mylène Farmer | French singer and songwriter (born 1961) |
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Napoleon III | President of the Second French Republic, Emperor of the Second French Empire and last monarch of France (1808–1873) |
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Nas | American rapper (born 1973) |
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Nathaniel Branden | Canadian–American psychotherapist and writer (1930–2014) |
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Ned Flanders | fictional character from The Simpsons |
| N | Netherlands | one of the four autonomous countries of the Kingdom of the Netherlands; with territories in the Caribbean |
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Neville Longbottom | fictional character from Harry Potter |
| NM | Nick Miller | fictional character from New Girl |
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Nicola Sturgeon | First Minister of Scotland and leader of the Scottish National Party |
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Nikita Khrushchev | leader of the Soviet Union from 1953 to 1964 |
| N | Nine | fictional character from Terror in Resonance |
| NK | Nobara Kugisaki | fictional character from Jujutsu Kaisen |
| N | North | fictional character from Detroit: Become Human |
| N | Norway | country in Northern Europe |
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Novak Djokovic | Serbian tennis player (born 1987) |
| O | Odo | fictional character from Vectors |
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O. J. Simpson | American football player and actor (1947–2024) |
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Oliver Cromwell | English military and political leader (1599–1658) |
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Otto von Bismarck | 1st Chancellor of Germany |
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Ozzy Osbourne | English musician and television personality (1948–2025) |
| PA | Padmé Amidala | fictional character from Star Wars |
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Pamela Anderson | Canadian actress and model (born 1967) |
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Patrick Rothfuss | American fantasy writer |
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Paul Atreides | fictional character from Dune novel series |
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Paul Hollywood | English celebrity chef and television personality |
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Pearl | fictional character from Steven Universe |
| PH | Peggy Hill | fictional character from King of the Hill |
| PL | Penelope Lola | Typology YouTuber |
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Penn Jillette | American magician and actor (born 1955) |
| PT | Peregrin Took | fictional character from The Lord of the Rings |
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Persephone | fictional character from Hades |
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Peter Dinklage | American actor (born 1969) |
| PG | Peter Griffin | fictional character from Family Guy |