Tyrant

n. One who rises to power through sheer force of ego, unburdened by skill, ethics, or the ability to take a joke.
n. A person with no discernible morals or skills, save for the unique talent of making you say, “Well, it couldn’t possibly get worse” — just before it does.
n. A ruler whose ascent required no talent, whose reign tolerates no dissent, and whose principles know no loyalty-not even to themselves.