Ruthless, corrupt and crazy. Many of the world's dicators started out as charismatic young leaders, with a large measure of support from their countrymen—only to become bloated with power and abandon the principles they had pledged to uphold. These leaders held on to power by rigidly enforcing control, intimidating opposition and instilling fear among citizens. With access to unlimited power and riches, many developed secretive personal lives and bizarre habits. These dictators terrorized their people, and mesmerized the world, with their bizarre sayings, styles, and actions. Biography.com takes a look at some of the world's most erratic, and autocratic, leaders.