![](https://cdn.animecharacters.io/images/characters/large/42520-728a95b7.jpg)
Hajime-chan (ハジメちゃん)
Bakabon's younger brother. He is a child prodigy, understanding words almost immediately after his birth and being capable of explaining the Pythagorean theorem and Kepler's laws of planetary motion. His name means "beginning." (Source: Wikipedia)
Animeography
![](https://cdn.animecharacters.io/images/anime/large/4596-9946ca4e.jpg)
Tensai Bakabon
![](https://cdn.animecharacters.io/images/anime/large/6276-41f20e78.jpg)
Rerere no Tensai Bakabon
![](https://cdn.animecharacters.io/images/anime/large/6495-bb6ca1da.jpg)
Ganso Tensai Bakabon
![](https://cdn.animecharacters.io/images/anime/large/8163-34575e1e.jpg)
Heisei Tensai Bakabon
![](https://cdn.animecharacters.io/images/anime/large/14319-b7885247.jpg)
Shinya! Tensai Bakabon
![](https://cdn.animecharacters.io/images/anime/large/14539-ef37f8c1.jpg)
Shinya! Tensai Bakabon Specials
Mangaography
Voice Actors
Ai Nonaka
Japanese
Chika Sakamoto
Japanese
Akiko Suzuki
Japanese
Takako Sasuga
Japanese
Carmen Ambrós
Spanish