Yamato Hino
Yamato Hino is the main protagonist of God Mazinger and the pilot of titular mecha. A gifted young sports enthusiast, he is transported to Mu through the prayers of Aila Mu to be their land’s savior.
In the manga, he had a much more carefree and rebellious attitude who did not care much about academics or the state of the world in spite of the possibility of a nuclear war, this got him into a lot of heated arguments with his father. He said that he would want to live in the Sengoku period as he believed that was a time when the struggle for life actually meant something. Yamato would often use his psychic powers for mischief like making girl’s skirts fly up.
Kaoru. In the anime, Yamato was close to his sister Kaoru Hino and promised her that he would return home. In the manga, Kaoru Asahi was his childhood friend who had feelings for him. While Kaoru would berate Yamato for his mischief, they were close and Yamato wanted to save Kaoru went they got separated. Yamato was disheartened when Kaoru was turned into a cat and killed by the God Mazinger’s rampage.