'Know thy enemy' (Eph 6.12-17, Judges 3.16-22) Then act accordingly.
Both these videos were used recently to thwart him off so thought I'd 'pass the blessing on'. There's a wee bit more to this character than just 'giving good people bad feelings' (!) as I recently heard from an unsaved woman.
A Psalm of David.
1 Blessed be the Lord my strength, which teacheth my hands to war, and my fingers to fight: 2 my goodness, and my fortress; my high tower, and my deliverer; my shield, and he in whom I trust; who subdueth my people under me.
For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places.
^ Find Matt here
^ Find Gary here