The Vandal had their origin when they evolved from the dinosaurs. Although this theory has been widely contested, it is clear that Vandals have a "bird brain," and as birds evolved from dinosaurs, we can safely assume that this is the case with Vandals. In any case, Colin Mochrie under the guise of God bestowed upon them semi-devestating attacks, which coupled by an extremely rapid breeding rate and sheer dumb luck, allowed them to come out of their herbivorous roots.