The Big Bang Theory started with Leonard (Johnny Galecki) swooning over Penny (Kaley Cuoco), while his roommate Sheldon (Jim Parsons) did whatever it is that Sheldon does. Over the course of 12 seasons, the core cast expanded to include Howard (Simon Helberg), Raj (Kunal Nayyar), Bernadette (Melissa Rauch), Amy (Mayim Bialik), and even Stuart (Kevin … Continue reading The Big Bang Theory Completely Wasted These Characters