The Angry Grandpa is back again, this time he gets all pissed off about a video of himself. Ray William Johnson a popular YouTuber breaks down Angry Grandpa's "Pinwheel" video. Johnson says the videos fake, calls Grandpa "Santa Claus" and Angry Grandpa just can't take it. The best part of these "Angry Grandpa" videos are the vast amount that are hosted on YouTube. Looks like we will continue to feature the "Angry Grandpa" until someone better comes around. Check out the latest video after the jump.