Romantic Duos:
* Romeo & Juliet (Shakespeare): The quintessential star-crossed lovers.
* Heathcliff & Catherine Earnshaw (Emily Brontë, *Wuthering Heights*): A passionate and turbulent love story that transcends death.
* Elizabeth Bennet & Mr. Darcy (Jane Austen, *Pride and Prejudice*): Two strong-willed individuals who eventually find love through mutual respect.
* Atticus Finch & Scout Finch (Harper Lee, *To Kill a Mockingbird*): A loving father-daughter relationship that teaches valuable lessons about justice and empathy.
* Jane Eyre & Mr. Rochester (Charlotte Brontë, *Jane Eyre*): A complex and passionate relationship with overcoming obstacles.
Friendship Duos:
* Harry Potter & Ron Weasley (J.K. Rowling, *Harry Potter* series): Two best friends who are inseparable throughout their adventures.
* Frodo Baggins & Samwise Gamgee (J.R.R. Tolkien, *The Lord of the Rings*): A loyal friendship that endures the most difficult challenges.
* Scout Finch & Dill Harris (Harper Lee, *To Kill a Mockingbird*): Two childhood friends who share a love for adventure and imagination.
* Huckleberry Finn & Jim (Mark Twain, *Adventures of Huckleberry Finn*): An unlikely friendship between a young boy and an escaped slave that challenges societal norms.
* Holmes & Watson (Arthur Conan Doyle, *Sherlock Holmes* stories): A brilliant detective and his loyal, dependable sidekick.
Antagonistic Duos:
* Darth Vader & Luke Skywalker (George Lucas, *Star Wars*): A father and son who find themselves on opposite sides of a galactic war.
* Lord Voldemort & Harry Potter (J.K. Rowling, *Harry Potter* series): A magical battle between good and evil.
* Macbeth & Lady Macbeth (Shakespeare, *Macbeth*): A power-hungry couple who will stop at nothing to achieve their goals.
* Dr. Jekyll & Mr. Hyde (Robert Louis Stevenson, *The Strange Case of Dr. Jekyll and Mr. Hyde*): Two sides of the same person battling for control.
* Hamlet & Claudius (Shakespeare, *Hamlet*): A prince consumed by revenge and the uncle who murdered his father.
Literary Duos:
* Don Quixote & Sancho Panza (Miguel de Cervantes, *Don Quixote*): A delusional knight and his loyal, pragmatic squire.
* Alice & the White Rabbit (Lewis Carroll, *Alice's Adventures in Wonderland*): A curious girl and her guide through a fantastical world.
* Bilbo Baggins & Gollum (J.R.R. Tolkien, *The Hobbit*): A hobbit and a creature obsessed with a precious ring.
* Holden Caulfield & Salinger (J.D. Salinger, *The Catcher in the Rye*): A cynical teenager and his cynical narrator.
* Moll Flanders & Jonathan Wild (Daniel Defoe, *Moll Flanders*): A female criminal and her cunning accomplice.
This is just a small sampling of famous book duos. There are countless others out there, and each one has its own unique story to tell.