Light Bulb - Joke Readers

Q: How many Jokerz joke readers does it take to change a light bulb?
A: 28. One to screw in the first one, 3 to follow the first one by screwing in the exact same bulb, 20 to screw in an almost completely similar bulb with a slight difference, 3 to complain about the lighting, 1 to explain that it was not the right type of bulb for this socket, and 1 standing by displaying the canonical collection of bulbs.

Viola and Trampoline

Q: What is the difference between a viola and a trampoline?
A: You take off your shoes before you jump on the trampoline.

Cheetahs

Q: Why should you be careful playing against a team of big cats?
A: They might be cheetahs!