From Mental Floss:
Name The Original Justice League in 4 Minutes:
http://www.mentalfloss.com/quiz/quiz.php?q=539&p=1
I did it in 52 seconds.
Surely there's a few other older guys who grew up during the Golden Age, and can rattle them off quicker than I can.
For those of you feeling less like the Comic Book Guy today, you can try your hand at The Cable Connector Quiz:
http://mentalfloss.com/quiz/quiz.php?q=852&p=1
I have to confess I missed one; in my defense it was a connector I've never used in my life (though I've seen plenty of the connections it's supposed to be inserted into).
Cheers,
bcg