Grandma and Grandpa Longneck are characters in the Land Before Time films and television series. They are each Apatosaurus, one of many species referred to as "Longnecks" by the characters in the franchise. They are Littlefoot's maternal grandparents as they are his mother's parents, and his primary caregivers after their daughter's death. They act as parents to Littlefoot; giving him advice when needed, and take the responsibility of protecting him very seriously.