I find it spectacularly hard to picture Gordon Brown “unleashing the forces of hell”.
When I picture him bullying someone, it’s closer to Basil Fawlty beating up a small car with a dead branch than a dark lord of the underworld releasing his hellhounds.
Cf around 1.02 in this clip
Though I did read a story as a child in which a man was damned to spend eternity with the devil in which He was not what you’d expect. The man thought he was prepared for any evil torture the devil could inflict on him. But when he got to hell, he realised that it was much, much worse… the devil was an utter moron.