Beelzebul is the twin sister of Baal, as both were twin goddesses who won the Archon War. Baal established herself as the Electro Archon and the Raiden Shogun, while Beelzebul served as her Kagemusha. Most civilians didn't know there were two due to their twin appearances.

Who is the current electro Archon?

Beelzebul, the name of the current Electro Archon, is associated with this demon. For an unexplained reason, Paimon is also named after one of the 72 demons, specifically Paimon, one of the kings of hell.

Who is electro Archon before Baal?

And one popular theory is that Yae is the previous Electro Archon before Baal.