This is a list of characters in The Land Before Time, a series of animated feature films and a television series. The main characters include Littlefoot (Apatosaurus), Cera (Triceratops), Ducky (Saurolophus), Petrie (Pteranodon), Spike (Stegosaurus), and in the spin-off television series and the fourteenth film, Chomper (Tyrannosaurus) and Ruby (Oviraptor). Other characters include the families of the main characters, the residents of their home, the Great Valley, and outsiders to the Great Valley.