Urban Art Association

true that.

what about Scorpinok.

He's a GIGANTIC scorpion for crying out loud.

dont even get me started on that dude that trasnforms into a two storey microscope thing.

My brother is a bit of a transformers geek so here it is:

Answer 1: They're just toys from different japanese toy lines that Hasbro bought and marketed as one toyline.

Or

Answer 2: The transformers crashed to earth 4 million years ago. most remained dormant until the 1980's but the dinobots were on another ship that was less damaged. At the time dinoaurs roamed the earth - hence that disguise.