A man goes into a vets with his dog and says "Mr Vet, my dog is cross-eyed"
The vet lifts him up and takes a look. Then he says "I'm afraid I'll have to put him down",
"Why" cried the man, "because he's cross-eyed?"
"No" said the vet,
"Because he's to heavy"
Brian Blessed mid QI, Dave.