If you thought Adolf Hitler got upset about losing World War II, just wait until he hears about the iPad. And watch out when he's tipped off to the ending of Harry Potter and the Half-Blood Prince. Hundreds of videos on YouTube have added new subtitles to a dramatic sequence from the 2005 German-language film Downfall, which details Hitler's personal demise. But in these mashups, Hitler riffs on pop-culture annoyances instead of berating his soldiers. The inventive subtitles make YouTube's version of the Führer less of a genocidal tyrant — and more of a big baby.