Human No. 1

Junichiro Iwaki (岩城淳一郎, Iwaki Jun'ichirō) is a gymnast created by who first appeared in episode 1 of Assault! Human.

Appearance
When in his Human No. 1 (ヒューマン1号, Hyūman 1-gō) form, he has an Ultraman-like head which is covered by a large spiked helmet. Almost all of his body is white besides small red and blue stripes on his legs. Junichiro also wears silver bracelets on both his arms, armor on his chest, a belt and silver anklets.

Assault! Human
Junichiro Iwaki was originally a famous gymnastics coach, but resigned from his job to train children who were targeted by King Flasher's Flasher Core. The kids in turn were able to transform Junichiro into Human No. 1 by using a device known as a "Human-Sign". Whenever members of the Flasher Core appear to attack the children, he is transformed and does battle with the monster(s).

Abilities
Junichiro Iwaki does not have any special abilities, but being a gymnastics coach, is very agile and strong.

Trivia

 * Due to Toru Narita designing the Humans and Ultraman, the two bear slight resemblances to each other.