Kyodai Hero is a television subgenre in tokusatsu that involves Japanese superheroes or robots either with the ability to grow to immense heights to fight giant monsters or who are originally giant as

Denkou Choujin Gridman, known as Gridman the Hyper Agent in some English-speaking territories, is a 1993–1994 Japanese tokusatsu "Giant Hero" series created by Tsuburaya Productions and would be Tsubu