Masako Miura

Agedama is a small boy going to elementary school and having the usual problems for a boy of his age. He is also secretly a superhero-in-training (called "Agedaman"). Along with Wapuro, his floating computer companion, he fights against a criminal organization who can turn humans into monsters of various types.

Momoko Sakura is an elementary school student who likes popular idol Momoe Yamaguchi and mangas. She is often called "Chibi Maruko-chan" due to her young age and small size. She lives together with her parents, her grandparents and her elder sister in a little town. In school, she has many friends with whom she studies and plays together everyday, including her close pal, Tama-chan; the student committee members, Maruo-kun and Migiwa-san; and the B-class trio: 'little master' Hanawa-kun, Hamaji-Bu Taro and Sekiguchi-kun.