Kenichi Mitsuba

Kenichi Mitsuba is the deuteragonist of the Ninja Hattori-kun franchise. He is an eleven-year-old boy who goes to the local comprehensive school.

Overview
Kenichi Mitsuba is an average, lazy kid who struggles with school. His life is changed when the ninja Kanzo Hattori, his younger brother ‎Shinzō, and their ninja dog Shishimaru befriend Kenichi and become part of his family. Hattori helps Kenichi and looks out for him. Kenichi's new classmate, Kemuzou Kemumaki, is also a ninja and the series' main antagonist. Kemumaki and Kenichi are both in love with the girl Yumeko Kawai, which leads to various conflicts and disputes between them.