At the end, Denver is sold to a scientist named Professor Funt, who wants to examine and experiment on him, and use him to become famous. Eventually, Denver gets to return to the gang and rescue them from Nick and his thugs. In addition to his natural skills and abilities, Denver can also, with the help of a piece from the shell of his egg, take the gang with him back to the time whence he came. Characters Main characters Denver is the main protagonist of the show and a close friend of the gang. He is a green unknown species of Dinosaur, the last of his kind, who has proven to be a good and loyal friend. Denver first met Wally, Shades, Jeremy, and Mario when he hatched from his egg when the boys hid behind a fence in the tar pit from Nick and his friends. He surprisingly understands English. Denver got his name when the boys spotted an advertisement for the city of Denver on the side of a bus. He is a rock 'n roll music fan and likes to play electric guitar, ride skateboard and eat potato chips. Voiced by Pat Fraley. Wally Adams – Boy who takes Denver in, Denver's closest friend. He cares for various animals – including Rocky (his pup), three cats, Ears (a rabbit), and a parrot. Voiced by Adam Carl. Heather Adams – Wally's older, and sometimes annoying, sister. She has blonde hair in a ponytail. Voiced by Kath Soucie. Jeremy Anderson – the most intelligent and mature guy among the gang. He acts cerebral and possesses extensive knowledge about a wide variety of subjects, including the origin and habits of dinosaurs. Voiced by Adam Carl. Mario – A brown skin and hair teen with an enormous ego. Voiced by Cam Clarke. Shades – A cool teen who always wears sunglasses (where his name is derived from). Voiced by Cam Clarke. Casey – Youngest of the gang, she is a machinist and often help the other members with the technical problems. She is in love with Mario, more obvious in the first season. Voiced by Kath Soucie. Minor characters Rocky – Wally's pup. Chet – Heather's boyfriend, voiced by Rob Paulsen. Freddy Facknitts – A teenage genius who is also a fan of comic books, and has a strong, though somewhat comical, sense of justice. He was originally hired by