The Three Musketeers was a novel written by human author Alexandre Dumas in the 17th century. The story focuses on the Musketeers Athos, Porthos, and Aramis, and their friend D'Artagnan. Cardinal Richelieu (TOS episode: "The Naked Time") plays the role of the villain in this work.
In the mid 22nd century, a litter of Earth puppies was named after the characters in this book. United Earth Starfleet officer Jonathan Archer adopted the puppy named Porthos, who would remain with him for many years to come. (Star Trek: Enterprise)
Hikaru Sulu read the novel as a teenager and it had a big impact on him. Years later, in 2266, he acted the role of D'Artagnan while suffering from polywater intoxication, much to his embarrassment afterwards. (TOS - The Janus Gate novel: Present Tense)