Revelation 20

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´)

Satan : a person, male (evil angelic),an angel that has rebelled against God