Here are some randomly selected joke topics
Supports
He supports bacteria; it's the only culture he has.
Surrealists
How many surrealists does it take to change a lightbulb?
A fish.
Three Bears
Which monster ate the three bears' porridge?
Gouldilocks.
Paranoid
How many paranoids does it take to change a lightbulb?
Who wants to know?
Blondes
We have a Blonde where I work, who is so dumb she thinks Manual Labor is a Mexican.
Knock Knock
Knock, knock.
Who's there?
Frank.
Frank who?
Frank you very much.
Seasick
What's green, has four legs and two trunks?
Two seasick tourists.
Light Bulbs
How many executives does it take to change a light bulb?
A roomful - they have to hold a meeting to discuss all the ramifications of the change.
Wedding
Did you hear about the two satellite dishes that got married?
The wedding was terrible, but the reception was great!