Today's my sarcastic, brilliant sister's birthday. She's a bona-fide rocket scientist (her specialty is battery systems for satellites), married to another bona-fide rocket scientist and mother to two amazing sons.
My sister had the knack for dispensing nicknames... she saddled my baby brother with the moniker "Gomez" and my older brother with "Sweetums". Once time, a friend of mine called the house and she announced the call with, "Another one of your mutant friends is on the line!"
She's mellowed considerably since then, but life's still not dull when she's around.