Rinkus and Sierra

Rinkus and Sierra are two pterodactyls who appeared as the secondary antagonists in the animated movie The Land Before Time: The Stone Of Cold Fire. They were the untrutworthy friends and henchmen of the anti-hero Pterano, who betray him near the end the movie and they burst out from the volcano, after they learned that the Stone of Cold Fire is a powerfull meteorite, leaving their fates unknown. They are major players in the Heroes vs Villains Tournament.