Megalomaniac

The megalomaniac differs from the narcissist by the fact that he wishes to be powerful rather than charming, and seeks to be feared rather than loved. To this type belong many lunatics and most of the great men of history.

Muammar Gaddafi is a megalomaniac.

He is a megalomaniac.

You're a megalomaniac.

Tom has become a megalomaniac.

She is a megalomaniac.

It wouldn't be Spider-Man without a fantastical villain and drama veteran Willem Dafoe fills that spandex suit as the megalomaniac "Green Goblin."

'Well, I don't know him well enough yet to say, but I will admit that if he is not a mere bullying megalomaniac, and if what he says is true, then he certainly is in a class by himself.'

Often, for good measure, Hitler is given as an example of a megalomaniac person. So, for our convenience, Hitler personifies the illness called megalomania[…]