Grandpa Longneck is a major character in The Land Before Time franchise, serving as one of Littlefoot's guardians after his mother's passing. While a somewhat minor character in the first film, he became a major character in the sequels and TV series.

Tier: At least 9-A

Classification: Dinosaur, Sauropod, Apatosaurus, Longneck, leaf eater

Powers and Abilities: Superhuman physical characteristics, enhanced senses (All leaf eaters have heightened senses of smell to be able to find food across deserts), large size (Type 0, roughly 8 meters tall or more with a stretched out neck), regeneration (Low, should be able to quickly heal injuries like Doc's scar)

Attack Potency: At least Small Building level (Comparable to his daughter. Has fought and faced many Sharpteeth, including Chomper's parents and Red Claw, though he couldn't win against them without extra help from other adults)

Speed: Superhuman to Subsonic travel speed with Subsonic attack speed and reactions (Comparable to his daughter. Can dodge attack from other Sharpteeth,  such as the Browridge Sharptooth)

Lifting Strength: At least Class K (Should scale to this casual feat. Comparable if not superior to the other Great Valley adults who have this level of strength)

Striking Strength: At least Small Building level

Durability: At least Small Building level

Stamina: Peak Human to Superhuman

Range: Several meters with neck and tail (Uses both like whips and battering rams against Sharpteeth)

Standard Equipment: None notable

Intelligence: Average

Weakness: None notable