How to be really funny to make my friends laugh?

Ok, so me and too of my friends made this video about how too girls went too the prom and a killer came...and the killer was my friend (Hannah) and she was really funny in this video that makes me always wanna watch it cus shes soooo funny in it then we made a blooper part of it and she was soooo funny in that one too...and everyone thinks so too. and i keep saying wo i wish i was that funny...and i am once again having her over again this weekend and we are gonna make videos but when we do i want to be really funny so what could be a video that we could do together where i could be really funny? plz help thanks