Here are some randomly selected joke topics
Lawyers
How many lawyers does it take to change a lightbulb?
One, but he'll bill you for five!
Policemen
Old policemen never die, they just cop out.
Psychiatrists
Why go to a psychiatrist when you can stay at home and talk to the ceiling for free.
Magician
He's a magician. He can turn absolutely anything into an argument.
Computers
What do you get when you cross a dog and a computer?
A machine that has a bark worse than its byte.
Game
What is Dr. Jekyll's favorite game?
Hyde-and-seek.
Pizza
What food did the cannibal order as his take-away?
Pizza with everyone on it.
Doctors
Doctor, Doctor, I keep thinking I'm invisible.
Who said that?
Be Seeing You
Knock, knock.
Who's there?
Al.
Al who?
Al be seeing you.