If the Joker were a dog, I think this would be him.

You can almost hear the dark jokes coming out of him with a giant grin on his face. The voice so sinister, and charismatic.

If the Joker were actually stuck in this dog's body, what do you think he's saying?

"Wanna know how I got these scars? My owner was...a drinker. And he left one of his bottle caps on the floor. I tried to be a good boy, and bring it to him. So, I put the bottle cap in my mouth, but decided I like the taste...the feeling of it doing damage to my teeth. That's when it popped out of the side of my mouth and...Why so serious?"