What is Freddie Mercury's real name?

Since everyone has tried to sing along to "Bohemian Rhapsody" at least once, you know just how hard it is to sing like Freddie Mercury. There's an argument to be made that he stands alone as the most talented singer in the history of rock and roll.

Maybe it was because his voice was so incredible that he exuded so much confidence on stage, in turn making Queen one of the biggest musical acts in the world. Most people can maybe hit a vocal range within two octaves — Mercury had a four-octave range.

But alas, like many stars, he used a stage name. What's Freddie Mercury's real name?