Mischief Mastermind T-Shirts

'To err is human. To really mess up, we've got to do some planning.'

"Actually, I'v done some of my most devious thinking in the old time-out chair."

Joey discovers the difference between coffee beans and jelly beans.

"To torture an insect or not to torture an insect, that is the question."

"I'm grounded. I forgot to delete the car's computer history after we did those crop circles on Earth."

"Thor! I am Thor! Ha. Just kidding. I'm Tom the Seagull."

Randall couldn't wait to see what else the 'Magic Trash Can' could make disappear.

"There was no other choice, Mom. It was a double dog dare."

"Look Mommy, hat!"

"Again? This is the last time I'm letting you wear the pants with the little zipper."

'From six to to eighteen, they're always at that age.'

"Oh, I like coming to the dentists. It's the only place where people actually ask me to spit!"

The Runaway Horse

'Hi hon! How's the little monster?'

"Why, you little Shih Tzu."

Baby knocks old lady out with pram toy.

"All in favor of destroying the throw pillow, raise your paw."

Backfire

'The fun begins when we go through airport security.'

'I don't know what 'peer pressure' is, but it makes a GREAT excuse!'

Don't swallow. I've lost a contact.

'Good girl, Carol - now hands up all those who have lost their pens.'

Harry Potter learns some 'new tricks' on his first day enrolled in a public school.

"Have you been eating the paste again, Todd?"

"Does knowing you're being watched on a baby monitor keep you out of mischief?"

Child laughs while making farting sound under arm. Dad says, 'Isn't it nice when they find something they're good at?

One vampire tricks another behind a mirror.

Mittens is challenged by the string.

(When I'm good I'm very very good, but when I'm bad I'm... Well….) (Horrid?)

Boy rolled into a snowball

'Simpson! Stop causing low-level disruption in class now!'

"Gabe's in the Guitar Hero program at Juilliard."

Snow Devil

Child about to jump off ironing board into bath.

A Vase has fallen on a cat's head. Are mice to blame?