Sibling Prankster T-Shirts

'Oh, no! The monster under my bed is my brother!'

"I'm wearing new cologne. I hope Smiley is able to control herself around me today."

"It's magically delicious...especially when you sprinkle...Halloween candy on it!"

'Number two. That's the art that offended me.'

PET THEORIES

"No! I am your father!" "Noooooo!"

Bathroom Fairy

It's my biggest project - a database of all my sister's boyfriends.

'Don't write on that wall with crayons! It'll show up better on that wall over there.'

"I have to say, sleeping in a coffin is way better since I got the box spring."

C'mon boy, speak! Speak!

"You want me to explain how there were two doughnuts in the larder and now there is only one? Easy, it was too dark in there to see the second one."

It is always something whenever Grandmother watches little Louis.

"And here's one I made up called 'Mama's Last Nerve.'"

'Enjoy it while you can, kid...one day you wake up and you're five!'

'This is Kevin O'Shea, my big sister's answering service.'

"We should get a lot of money from the tooth fairy. I set out grandpa's false teeth!"

Look out, you're sitting on a worm!

'I'm not looking for treasure. I'm trying to find where I buried Dad.'

'I've only just learned to read, and I'm already on page twelve of my sister's diary.'

'If you find any loose ones, I have dibs on them for the tooth fairy.'

'Today, dad has cooked and we're well prepared!'

'I fixed the dent in the bumper.'

"Doing chores is very stimulating. I'm always thinking of ways to avoid them."

'No hair or teeth, can't walk or talk -- he's kind of a starter kit.'

How to avoid a heart attack.

"I did my homework, but my little brother took it to his 'show and tell'."

'No, she can not come out to play again.'

'What...you just sold your little sister?!'

"Getting older at least gives me more time to get my own back on you!"

"Look, Tia Carmen, my moustache is growing in!"

'He doesn't really talk yet, but he does some sound bites.