Historically yours brings together 3 characters classified X (but who have nothing pornographic): Malcolm Little who chose the nickname of Malcolm X to erase the slave past of his ancestors and the name remained associated. The Parisian socialite Virginie Gautreau, alias "Madame X" on a painting by the painter John Singer Sargent who represented her.
And an American rapper who, at just 24 years old, revolutionizes the world of rap by assuming and claiming his homosexuality: Lil Nas X.