Uranus' moons are named after characters from Alexander Pope and William Shakespeare. Uranus has 27 known moons, including Oberon, Titania, Miranda, Ariel, and Umbriel.
Pluto and Charon could be a double dwarf planet system.
Pluto’s largest moon, Charon, is about half the size of this dwarf planet. This makes it the biggest moon in relative size to its parent body. These two are mutually tidally locked to each other. It means that the same side of Charon faces Pluto and vice versa.