User blog comment:Matt Hadick/Ultimate Battle Final Round/@comment-3367060-20130709173742/@comment-3367060-20130710004214

I wonder how a 30 meter robot can transform into a 15-30 foot long truck? Basing it on the fact he can bturn into a truck without changing his size too much, yes, he is 30 feet.

Okay, so maybe Godzilla could step on Optimus some other way.

See that, you said "with the help of Megatron", which means he can't do it alone. Also, Optimus doesn't have the Matrix in his arsenal as a normal weapon. So, that entire galaxy thing is invalid.