The composite ' man of sin ' the ' son of perdition ' are the composite false clergy classes. - 2 Thessalonians 2:3-8
They seat themselves in the ' temple' (houses of worship) as if they are God when they are really anti-God.
We are nearing the 'final signal', so to speak, of 1 Thessalonians 5:2-3 when the 'powers that be ' will be saying, " Peace and Security.." as the precursor to the coming great tribulation of Revelation 7:14,9.
Gog of Magog is simply the nations, the coalition of nations against Christ and God's kingdom government of Daniel 2:44.