Chief Thunderhooves is introduced in Over a Barrel. After Pinkie Pie and Rainbow Dash find that Spike is safe with the buffalo, they speak with Little Strongheart, who then apologizes for the train heist and explains that the buffalo didn't want to hurt anyone and were only after the tree that Applejack was delivering to Appleloosa. Little Strongheart shows them to the Chief, who is sitting with other buffalo around a campfire. He explains that the buffalo "have long and winding stampeding trails, that we have run upon for many generations. My father stampeded upon these grounds, And his father before him, And his father before him, And his father before him. And his father before him." His listeners get bored and drowsy, and finally Little Strongheart interrupts so he'd move on. He starts