Fireman (character)

A strange phenomenon happened throughout the world, causing giant, mutant dinosaurs to suddenly appear. The people of the Aban continent, living underground for the last 12,000 years sends a courageous young man named Misakeyto live as an archeologist and SAF agent Daisuke Misaki. Whenever monsters and space aliens attack the world, Misaki transforms into Fireman who will die if exposed to light of the sun for more than three minutes. When the surface world is attacked by aliens one of the Agan risks his life to defend it, as the giant hero. By using the fire-stick, he trasforms and defends the human race against them.