Yes. You can make humor with under 30 seconds. Just get any medium (pencil, video, mspaint, photoshop, chalk, whatev) and don't start drawing or thinking until you really mean it. You only have 30 seconds!
Just send a comic that you've created in under 30 seconds and you'll be famous!
You can e-mail me your submission by decoding my email below. Comics are put up 2 or 3 a day.