Popular channels on youtube

Today I was randomly watching videos from this channel "charlieissocoollike" on youtube. And there was this video "How to get featured" which means how to get popular on youtube. Funny guy. But I think the way to get popular on youtube more than anything else, is to post videos of yourself, rather than uploading videos of celebrities and songs by them, because it will keep people wanting to know what you will do next and they would keep coming back for more. Unlike just videos of celebrities which they could get anywhere.