Mischief Master T-Shirts

"What kind of mischief are you into now?"

Man pulling a chair away before his colleague sits down in an ethics committee office.

"Hey, it's me, Mr Squeekers - we're Facebook friends!"

'I got caught cribbing from Charley Jones' laptop!'

"As for you, Cheetah, I don't want any of your monkey business!"

"...and remember, son - every now and then, refuse to eat your dinner no matter how good it looks or how hungry you are. It drives the dumb humans crazy!"

"My papi believes in an ear for an ear."

For the third time that week somebody had super-glued the manager to his seat. It was great for team morale.

'Your teacher says he finds it impossible to teach you.'

'Hey Mr. Penny, the squirrel is digging up your grass!'

'How'd you get out of time-out??. . . Dude, if you do the crime, you do the time.'

'I think you mean my alleged pranks in class.'

'OK, OK, you got me. YOu just couldn't let it go, could you.'

The art of welching.

Kate's Evil Plan: 'I convinced her that good behavior is a stealth tactic that'll help her reach her goal to one day rule the world.'

Goldfish Practical Joke: 'Flush me!'

'As a baby sitter, you shouldn't think of me as a bratty kid...think of me as a jobs creator!'

'When I pull the lever, Dad yells real loud!'

'Get him, Jimmy!'

"Run it by the legal department—but don't let them see you."

Joey discovers the difference between coffee beans and jelly beans.

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

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

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

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

"Look Mommy, hat!"

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

"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

Children disturbing a heart rate reading.

Backfire

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

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