His card, along with his Move Card, was activated in Cambodia after falling from a wall of the Angkor Wat temple and landing on the dirt. He was believed by the locals to be a monster depicted in the temple's carvings that could only stopped by a goddess (later mistaking Helga to be that...
As with many small coelurosaurs, more recent Deinonychus reconstructions portray it with a full feather coating as opposed to the feathered "headdress" Dinosaur King portrays. Like his other Secret Dinosaurs, Dr. Z raised the Deinonychus trio he named Dino, Dano, and Sue at an unknown point during Dr. Ancient's mission, training them relentlessly to be ninja master dinosaurs. Like his other "trainees", they hated his guts for his treatment of them.
This page is for the anime main dinosaur. For his species, see Tyrannosaurus. Terry (ティラノ Tirano) is the Alpha Gang's first dinosaur. He is voiced by Yuuka Nakatsukasa in the Japanese version.