>>54223600But they did the same thing for the beasts? They made them dinosaur themed. That's my point, all the paradoxes look like some ungodly fusion between a Pokemon and a dinosaur. Raikou follows the same convention, long tail, spikes, sharp teeth.
They probably thought the long neck worked for a few more specific reasons, to give it the appearance of a cloud with a lighting bolt, also a play on brontosaurus aka "thunder lizard"