Beelzebold resembles stereotypical depictions of the Devil, with his horns pointed upwards, a goatee, a red cape, a pointy tail, and carrying a trident.Beelzebold is as brave as the come, unlike Timidevil. However, he still shows a cowardly streak in certain situations such as after an utter defeat in battle.
Fuse Timidevil with a Shard of Evil, which is obtained by completing the post-game Request "The Bold Beelzebold!", given by Beelzebold himself on Liar Mountain. More of the same item can be found in Terror Time after completing said request.
Beelzebold also rarely appears in trash heaps on Graduate Street during the day (Downtown Springdale).
"Beelzebold" is a portmanteau of the words Beelzebub, one of the devil's many names, and bold and "Debibiran" is a combination of the English devil and bibiran (Japanese: ビビらん,"won't chicken out").
"Osademonio" is a combination of "Osado" (daring) and "Demonio" (demon)/
When snapped in the Yo-kai Cam, his tip is, "Even on a roller coaster, you don't break a sweat!"