Helium makes everyone sound funnier. But it has an even greater effect when the person breathing in the light gas is of a serious nature. So when Jimmy Fallon hosted British actor Alan Rickman, most famous for playing the role of the Harry Potter villain Severus Snape, he insisted the two inhale some helium.
Alan Rickman And Jimmy Fallon Chat While Breathing In Helium http://t.co/Zk1arH1O0B