Caligula, born Gaius Julius Caesar Augustus Germanicus in 12 AD, was the Emperor of Rome between 37 and 41 AD. Remembered as a cruel and erratic tyrant, his deranged tendencies threw Rome into chaos—and eventually caused his violent end. Most people know him from the infamous 1979 explicit film Caligula, but if anything, the real emperor was even more disturbing than the one we saw on screen. Read on for 42 facts about the man who thought himself a god.