Here are some randomly selected joke topics
Santa Claus
What do you call Santa's helpers?
Subordinate Clauses.
Elementary
Knock, knock.
Who's there?
Elly.
Elly who?
Ellymentary, my dear Watson.
Parents
What are your parents' names?
Mama and papa.
Programmers
Programmer - A red-eyed, mumbling mammal capable of conversing with inanimate objects.
Chefs
Chef Throws His Heart Into Helping Feed The Needy
Husbands
Mary: I hear that you have a model husband?
Joan: It's true he really is a model husband - unfortunately he's not a working model.
Clouds
What did one cloud say to the other one?
Let's be cirrus.
Fish
Where do fish keep their money?
In river banks.
Light
What is dark but made by light?
A shadow.