I don't know anything about originality! I mean, hey, just look at my username!
In all seriousness though, I believe originality is a good thing, but it's not necessarily bad to take inspiration. In my projects, I draw inspiration from Ashens, Todd in The Shadows, Nostalgia Critic, Angry Video Game Nerd, and even Yahtzee Croshaw. As long as you aren't blatantly copying their formula, it's alright.