Before he adopted his signature mustache, he had a handlebar mustache but had to shave it after joining the army.
He had severe gastrointestinal issues and farted uncontrollably.
He took injections of bull semen to heighten his sexual potency.
There's no proof to support the popular theory that his father's family was Jewish, but family DNA does contain elements typical among Jews and Africans.
Archivists agree that he never once visited a single concentration camp.
He wasted his inheritance while attempting to be an artist and ended up in homeless shelters.
He spared the life of a Jewish doctor who treated his family during hard financial times and called him a "noble Jew."
While fighting in WWI, he momentarily went blind from a mustard gas attack.
He reportedly suffered from a fear of cats.
Medical reports show that he only had one testicle.
Hitler frequently used cocaine during the war years.
He was obsessed with his teenage niece, making her a practical prisoner in his home and possibly his lover.
He had the plan to assassinate Winston Churchill with a bomb planted in chocolate. British spies were able to foil the idea, however.
He was a health nut and didn't eat meat, smoke or drink liquor by the time of World War II.
He became especially paranoid after a food poisoning attempt and had a staff of 15 terrified young women taste test all his meals.
Before his father changed it, the family name was Schicklgruber.
He was Austrian, not German, and didn't go to Germany until the start of World War I.
After a few rogue Nazi officers almost succeeded in assassinating him in 1944, he had 5,000 people executed in response.
There were at least 42 identified assassination plots on Hitler.
He rehearsed his speeches by having photos taken of himself in several poses.
He was a big fan of films, and some of his favorites included King Kong and Snow White and the Seven Dwarfs.
