That just shows how awful my knowledge of Kanto Pokémon is. Now if this was a Hoenn contest, I'd have been much more helpful, because that's like my region of expertise. :3

Quote Originally Posted by The Nonexistent Tazz View Post
I think we have a winner myself. It took a while to remind me of the pose where Charizard looks like that bottom-left silouette and I'm mildly concerned about the top-left but I'd say these are the best guesses we have.
I just looked at the Sugimori art for Nidoran Male and it definitely checks out. The bottom spike is its horn, and the rest of the little spikes are from the ear.