Spike is an orphaned Stegosaurus who is one of Littlefoot, Ryan and Kids World's friends. In Kids World's Adventures of The Land Before Time and The Land Before Times (TV Series), Ducky first found him as an egg hidden in the tall grass and she helps him hatch out of it. He soon joins Littlefoot, Pooh, and their friends on their journey to The Great Valley. After discovering the Great Valley, he became a member of Ducky's family and became her adopted brother.
- Spike made his own adventure with his friends Littlefoot, Cera, Ducky, Petrie, Chomper, Ruby and the gang in Kids World's Adventures of The Series.
- Spike will retunie with Ryan Pooh and the characters and meet Ttark, Ash Ketchum, and the characters in Kids World's Adventures of The Land Before Time 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13.