Rivalry Observer T-Shirts

'I'm not sure that this degree of competition is entirely healthy.'

"Doreen, the cat's after the parrot again!"

'Oi! You looking at my 1/3?'

The moment when Lois and Rose's healthy rivalry turns ugly.

"I hate being considered the lesser of two evils."

'Big sale at the Dog Store. Buy 1, get 2 free.'

Your enemy is defeated by Fate

Tic-tac-toe

"Just being proactive."

Next Wave Collegiate Sports

"I guess there ain't room in this town for two bonsai specialists."

"That Melinda Alvarez thinks she's so smart! Well, I've been studying, and I'm gonna teach her a lesson on the test we have today!"

Used to it.

Fight on the top

'I warned him about watching the game at the opposition's pub.'

Fighting Gondoliers.

Disraeli's Minority Ministry Losing Popular Support

Cat taunts dog at intersection.

Once again, Daisy had won the 'Employee of the Month' award...'

The balance of power shifted when sparky figured out how to use the laser pointer.

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

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

"Fake."

'...paddlecat is said to have contributed to much of the tension that exists between the two species, even today.'

"Remember, I've got the Dog Catcher on speed dial."

Baseball Angels

"Ha!...I'd like to see the Jones' trying to beat our display this year!"

I've just found out our competitors are losing money faster than we are.

'You're useless, Johnson. I like that in a rival.'

'Welcome home, Tiddles...'

"Joseph's jealous brother adds bleach to the coat of many colors wash."

"We never had a 'last conversation,' but if we had, you’d have lost."

"Nobody realized I was a man to watch until it was too late."

Keepy-uppy with the Joneses.

Leaf Blower Showdown.