Here are some randomly selected joke topics beginning with the letter 'C'
Christmas Eve
What did Santa say to Mrs. Claus on Christmas Eve?
Well, that wraps it up for another year.
Christmas present
What Christmas present do you give to a train driver?
Platform shoes.
Christmas party
How did the chickens dance at their Christmas party? Chick to chick.
Christmas decorations
What happens if you eat Christmas decorations?
You get tinselitis.
Christmas presents
Where do sheep buy their Christmas presents?
They go to Wool-mart!
Christmas presents
Who brings Christmas presents to the baby sharks?
Santa jaws.