Sibling Rivalry Expert T-Shirts

"Act your birth order!"

'My brother got all the glory. For me it was Randolph with your nose so pink, you really make my sleigh team stink.'

'MOM! -- Samantha called me names in her diary!'

'I am so proud: My kids are finally fighting all the time!'

Polygamists' Picnic

"He's my smart-aleck twin."

"I'm an oldest child trapped in the body of a middle child."

"Good work Tim, you snatch it all: none of this sharing with your brother nonsense..."

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

"At home there's a fish, a cat, a dog, me, and a big sister."

"We tried to play nicely, but frankly it's not as much fun as tormenting each other."

The noise from the basement was probably nothing – but if it was, she was a sacrifice her older brothers were willing to make.

Help!I am being forced to eat vegetables

LEMONADE 50 CENTS, 'Sorry, cash only -- we don't accept little brothers.'

"Gracie, I'm getting way tired of your Jane Goodall routine!"

"It may be called a 'Butterball', but you still can't throw it at your sister!"

'Mum, she pulled my mane!'

"You can't live in our basement. Your brother beat you to it."

'I suppose this puts my new bike on the back burner?'

'At first I wanted a brother, but I've changed my mind... I want a puppy now.'

'Does this mean I have to share my pocket money?'

'Mom! - Jeffrey just said a DADDY word!!'

"Meet your new baby brother! We decided to upgrade."

Technically, no, dear, your brother isn't plagiarizing you. ABC. ABC.

'How do you expect them to treat you in a mature way with that thing in your mouth?'

You'll grow into your sister's hand-me-downs soon enough, dear.

"If you have one child you are a parent but if you have two, you are a referee!"

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

'Stop crying or Mom will think we're not having fun!'

"How many times do I have to tell you to quit going through your little brother!"

'Take it from someone with experience. . . you can't go throwing tantrums until you've at least tossed a few.'

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

"Mom always liked you best."

"I was raised as an only child, which really annoyed all my brothers and sisters."

Brother and sister at the dentist