Inazuman is a character that appears in 1973 tokusatsu Inazuman and its derivatives.
Inazuman
Depending on the various versions, the setting of the person who transforms and the form’s design after transformation are different. The common setting is that after a state of armored larva form known as Sanagiman (サナギマン), then transforms into a heroic and powerful mutant Inazuman, fighting with supernatural powers with a butterfly motif.
Inazuman