With great power comes great responsibility... and usually a great alter ego too.
Ever since superheroes began gracing the pages of comic books, they've been protecting their identities behind human names that are usually just as memorable as their larger-than-life personas.
But not always. Some are alliterative (Reed Richards, AKA Mr Fantastic), some are unbelievably banal (hello Barry Allen, AKA the superspeedy Flash), and many are completely obscure. But how many do you know?
Take our superhero quiz below to find out. Only true comic book fans (or genius masterminds like Lex Luthor) will be able to get full marks.
* Can’t get enough trivia action? Check out our dedicated Yahoo Quizzes page for more brainteasers! *