Pet Mischief Enthusiast T-Shirts

Dog makes cats float with helium.

"Here it comes, another one of his classic non-apologies."

"Why, you little Shih Tzu."

Cat Heaven vs Mouse Hell.

Rusty, not believing in God, seized his chance...

Cat rolls up yarn like power cord.

"What part of 'giddyup' don't you understand?"

"I have a couple of other projects I'm excited about."

'Marm doesn't understand, 'I've got it, I've got it'.'

"What? Don't yuck my yum!"

"Pssst. Fake poop."

Separation

"Don't make me send in the bad cat."

"Isn't it true that the prosecution offered you a bone to testify?"

"He wants a second opinion."

'No, I'm pretty sure she said, 'Sit!'

Predator, Inc bought Prey, Ltd

"He still doesn't know how to use the litter tray."

"The guy I bought him from says he's a pure sheepdog."

'We're all experts in one thing or another. For instance, I consider myself something of a specialist in fluid dynamics...'

"Dear God, no! Not her first edition of 'Franny and Zooey'! You've ruined us!!"

"I love to watch cat videos on the internet!"

Stunt Fly flying through a cow.

"Yes, he's drinking from the bird bath, but I've seen him doing much worse! I caught him drinking from the toilet once!"

'The cat did it.'

'Gee, mom, how DID that happen? Maybe we better Google it!'

"My dog ate my parents' marijuana, and then ate my homework."

"Yes, it's embarrassing, but my master has a broken leg, so this is the only way I can go for a walk right now...

"Is this your work?"

"See. I told you they have Roomba Rodeos when we're gone."

'Painter'

Cat tipping a fish out of a bird box

'Okay, let me see your hands, your feet, and that wily prehensile tail...'

'Journey of self-discovery' Dog realizes he can make his leg move when he scratches.

Dog reaching over top of counter to steal cookies.