13 TV Characters Who Changed Without Warning

Good TV characters evolve over time. Great TV characters evolve over time in a way that makes sense. In either case, the key to making that evolution work is the phrase “over time.” 

The characters here on this list did not have that crucial aspect of character development. Nope, they either skipped right to the end or decided to ignore the beginning they were given. It seems that they got new personalities out of nowhere. 

Whether it was from studio interference, audience feedback, or an actor’s change in their understanding of what they want their character to be, organic change seems to have been chucked right out the window in favor of a fast payoff, for better or for worse. Occasionally though, ignoring this important writing and storytelling rule has given results for the better, somehow and some way, if you can believe it. Check out these 13 characters who got overnight persona transplants.