Apparently,with the whole situation regarding A,it seems that He has many names known by man.
Known as "Abaddon" in Hebrew,
"Apollyon" in Greek,Zalgo/Za'lgatoth in modern pop culture.
Some even call Him "Anti"
It all leads to the same entity.
The term first revealed in the Bible as both a place of destruction and as Angel Of The Abyss. In Hebrew,used with reference to the bottomless pit,the realm of the dead.