I picked it because (1) it's my first name plus surname initial; (2) it was my email address at my first job; and (3) it's what you say when you make a mistake—so yup, you guessed it.
Whoa! I love the second link! Is there an orchestrated horizontally-scaled secure decentralized web service I could use to bookmark all the dang cartoons?!
The best one I remembered from being taped to my mom's fridge, but I just couldn't dig up, was of a big dejected bird standing in front of the open refrigerator, saying:
"Dang! Somebody ate the middle out of the daddy longlegs."