10. Fin Fang Foom
A cartoon created Dragon, Fin Fang Foom is one of the coolest, and arguably strongest dragons ever created. A combination of alien and dragon, Fin Fang Foom is a gigantic four-legged dragon that can fly and has battled some of the strongest, most popular superheroes.
From the Fantastic for to Ironman, Fin Fang Foom the green atomic dragon has raised hell, destruction, and defeated some of the top comic-heroes of all time. Relying on magic, Fin Fang Foom is powerful thanks to the herbs used to recharge his energy, and his blasts of fire are sure to wage war and succeed against nearly any opponent!