Baal is one of the seven princes

Seven princes of Hell

The seven princes of Hell are, in Christian demonology tradition, the seven highest demons in Hell.The seven demon princes can be seen as Hell's equivalent to the Seven Archangels of Heaven.Often, each demon prince corresponds to one of the seven deadly sins...

 of Hell

Hell

In many religious traditions, a hell is a place of suffering and punishment in the afterlife. Religions with a linear divine history often depict hells as endless. Religions with a cyclic history often depict a hell as an intermediary period between incarnations...

. He is mentioned widely in the Old Testament as the primary pagan idol of the Phoenicians, often associated with the pagan goddess Ashtaroth.
Baʿal

Baʿal

Baʿal is a Northwest Semitic title and honorific meaning "master" or "lord" that is used for various gods who were patrons of cities in the Levant and Asia Minor, cognate to Akkadian Bēlu...

is a title meaning "lord" that was applied to a number of West Semitic gods.

Baal Hadad, probably the most widely worshiped Baal, was worshiped by Arameans who brought his worship to other parts of the Mediterranean.