Cave Clan T-Shirts

Historians think that dogs first became domesticated in the Stone Age.

'Hurry, wipe it off before Dad comes home!'

'What would your mum say if she saw you drawing all over the wall like that?'

'Don't ask me why but he feels a great deal of pride in calling it his 'man-cave'.'

"The previous tenant was a bit of a shut-in."

Bats with blankets.

'Art, art, art - When are we going to get some engineers?'

'Now, it does require some modernisation. . . .'

I will not write on walls. I will not write on walls...

"…just when I was hoping to simplify our lives."

'You folks just sit right there and I'll go kill some hors d'oeuvres.'

"Crap. I overslept."

'Daddy's busy - Go draw on the wall.'

'It even has its own built-in home security system!'

"Looks like the artist never quite finished this one."

After years of pointless therapy, Morris took up speleology and finally found himself.

'Happy birthday, dear... It's an executive rock.'

"Why won’t you just admit you forgot where you parked the car?"

'I think I prefer it where it was.'

'Oh, come on -- everything can't be extinct!'

'Thrilling news yesterday; my nephew's got the Lascaux Caves commission.'

Before Instagram

"I didn't discover fire, but I was the first to encircle it with stones."

"These should help me approach your father on his own level."

"This is going to ruin my ratio of protein to vegetables."

Mammoth

Cave Sale! We're evolving - everything must go.

Early art critic

'Oh-oh -- I think I've invented writer's block!'

'This 'chicken' stuff isn't bad -- it tastes like dinosaur!'