Behemoth (ベヘモット, Behemotto) is the leader of the powerful army that works directly under the Great Demon Lord and Lord En. He has been mentioned several times, but finally did his first appearance after the Oga/Beel Body Switch incident, looking for Oga in the Saint Ishiyama building.

Oga Tatsumi is a first year student in Ishiyama High, a notorious school for delinquents. One day he sees a man floating by, and the man suddenly splits in half to reveal a baby boy inside! 
(Source: Crunchyroll)

__Height:__ 169cm

Tomomichi Nishimura is a Japanese actor, voice actor and narrator who works for Arts Vision. He is most known for the roles of the Narrator of YuYu Hakusho, Mitsuyoshi Anzai (Slam Dunk), Shibaraku Tsurugibe (Mashin Hero Wataru), and Jamitov Hymem (Mobile Suit Zeta Gundam). In video games, he is best known as the voice of Akuma/Gouki and M. Bison/Vega (Street Fighter).


Gérard Surugue is a French Voice Actor specialized in cartoon and video games dubbing.

The story follows the "strongest juvenile delinquent", Oga Tatsumi, a first year in "Ishiyama High" the school for delinquents. One day while sleeping next to a river he sees a man floating down it, he pulls him to shore and the man splits in half revealing a baby boy. This boy is the son of the demon king and he has been chosen as the one to raise it with the baby's demon maid Hilda. The story follows his life with the child and at the delinquent school.
 
Note: Includes 12 extra chapters.