This has probably been around the web for a long time, but I just found it:

Take the quiz at dicepool.com

My favorite d20 is old and blue, given to me from the FLGS spare dice bin because I’d always use it. Its corners are really rounded, so it rolls for a long, long time. I love it! (I have affection for my dice!? Should I be concerned?)

NB is a D8:

Hmmm. Tweener and already deep, dark and cynical. Should I be concerned? 😉