Here are some randomly selected joke topics
Witches
Why did the witch drop out of school?
She couldn't spell.
Gnomes
Where do gnomes go to when they're feeling ill?
The National Elf Service.
Promises
What can you break without touching it?
Your promise.
Police
Yo' momma's so fat, the local police force hired her to be a roadblock!
Loves You
Jesus loves you, but everyone else thinks you're stupid.
Bees
What did the baby bee say to the Queen bee?
Swarm in here, isn't it?
Half A Mind
Half a mind is a terrible thing to waste!
Programmers
Programmer - A red-eyed, mumbling mammal capable of conversing with inanimate objects.
Dracula
Did you hear about the man who kept thinking he was Dracula?
He was a right pain in the neck.