If for no other reason then the fact that they
made Fin Fang Foom, Toy Biz will forever be considered Gods of
the toy industry. Yeah, they also made Aureus and Argent, though
I'm not sure either ever appeared in the Iron Man comic. But for
the record, they are golden and silver dragons of decent design.
But Fin Fang Foom is not only the Dragon to beat, he is also one
of the oldest Marvel characters and a link to the pre-Marvel days
when they were known as Timely Comics and mainly known for stories
featuring big monsters.
Heck, Foom is so awesome he has multiple web
pages. Go check him out here
Oh, and here