Beelzebub was originally created as a demonic figure in various religious and mythological texts, often identified as one of the seven princes of Hell.
Beelzebub became commonly associated with a prominent demon or evil spirit in Judeo-Christian traditions, often equated with Satan or referred to as the "Lord of the Flies."
Beelzebub is depicted as one of the chief demons alongside Satan, further cementing his place in literary and religious demonology.
Introduction of Beelzebub as a main character in the manga series "Beelzebub" by Ryuhei Tamura, which started serialization in 2009.