Roark the Dinheirosaurus is a Sauropod who joins the North Wind and later becomes it's ruler.
He is in the Diplodocoid bloodline, meaning he as a whip-shaped tail and tall neural spines, which in Dinheirosaurus are quills.
Like any Sauropod he has a small head, but is far smarter than you think.
Roark is very wise for his species, able to understand complicated things easily, although he does have difficulty sometimes. Being the boss, he is often the one to give missions as well as gathering Intel.
He views the North Wind as his best friends after he was rescued by them, though he is often annoyed by hostile competition from spy teams, such as Classified and Skipper's rivalry.