Talking on helium is almost as funny as a fart. Doesn't matter how old you are, everyone laughs at it. On an appearance on The Tonight Show, Jimmy Fallon convinced Morgan Freeman to talk while on helium.
We have all done it before, we just can't stand it when we see a balloon filled with helium we just have to get a hold of the balloon and suck it in and giggle at our voice change. The bar has now been raised as Morgan Freeman takes a few pulls of some helium.