Satan
: a person, male (evil angelic),an angel that has rebelled against God
Revelation 20:8-15
Gog
: a figurative person,son of Shemaiah of Reuben,prince of the people/land of Magog: eschatological (46° 0´, 47° 0´)
Hades
: the place of departed spirits (NIV notes); the unseen world (YC)
Magog
: symbolic name for peoples from the remote corners of the earth,son of Japheth son of Noah,a symbol of all the pagan nations united against God (46° 0´, 47° 0´)