I just always thought that if Waspinator had a vehicular form, he's look almost identical to what an evil-green Bumblebee would look like.
So there you have it. Rushed sketch...and someone pointed out the "thunder thighs".....abnormal energon consumption rates can do that to a bot...let's not EVEN get started about the rear fender side-effects.
So there he is....wow...this picture makes me want to get some Willy Wonka Taffy now...damn my poor choice in colors. Damn it.