He is Punter's nemesis.
He kills Morne but doesn't get struck down by lightning.
He has a goat hoof.
He makes people weep in their pants.
I smell satanicness even when it's half a world away. And Harbh smells like the devil's grandmother.
He has 666 tattooed on his forehead, hence the turban.
He couldn't tempt Hash just like he couldn't tempt Jesus in the desert.
But first and foremost:
He impertinently admits to it: