Beelzebub IV

Kaiser de Emperana Beelzebub IV (カイゼル・デ・エンペラーナ・ベルゼバブ4世 Kaizeru de Emperaana Beruzebabu' 4 sei) or short Beelzebub is the heir of the demon king.

Story
Beelzebub came to the human world inside of Alain Delon. He was practically drawn to Oga Tatsumi from the beginning and is usually seen clinging to his back. Oga in turn did and still does not want to keep him around since he only causes him problems with other strong people at his school. Thus they set out together to find a person stronger than Oga.

Character
Baby Be'el is very easily impressed, especially by strong people since he himself is still weak and looses to other babies as well as to cats. On the other hand he is not the smartest one out there and tries to force his way through the most simple problems.

Appearance
Beelzebub is shown to have green hair. Apart from a pacifier he sometimes has in the mouth, he usually wears nothing which causes ordinary people to chatter about him and his 'parent' Oga.

Electrocution
When Baby Be'el is caused to cry for one of various reasons, for example Oga being in danger, it fries everything in a certain range depending on how loud it cries. Generally the energy used is higher than that of a 12.000 Volt stun baton Himegawa of the Touhoushinki uses against Oga in chapter 9.

Pee
Once a year Baby Be'el relieves the blessed urine that contains holy demon power. It can't be stopped by simple means such as knoting or diapers and would be able to sink a whole town. This however was prevented by Oga and Hildegarda riding on Ak'Baba to the ocean.