We've all heard the phrase age is nothing but a number. Well, these ancient actors, actresses and comedians prove that this, in fact, is absolutely true. Whether they're well over 80, or just hitting the senior citizen mark, this list of old timers is far from losing its sense of humor. Given the technological advancements that have happened since they were young, they've caught themselves up to modern times and have taken to Twitter to share their opinions about our crazy generation. And boy, are we glad they did. These are the funniest old people of Twitter.
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