[quote=Kiriyama]
Not sure about more massive robots :/
[/quote]
He's not nearly as massive as Grimlock.
[hider=he is shorter then Optimus][img]http://i.imgur.com/tLjIHJP.jpg[/img]
But not by much. Just assume he's around that height.[/hider]
Or I could do Cliffjumper (bumblebee height)