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    17 TV Characters Who Had Such Wildly Different Personalities At The Start, They May As Well Be Separate Characters

    There's character development, and then there's this.

    Most TV characters change in some capacity over the run of the show, for better or for worse. It wouldn't be good storytelling if everyone stayed exactly the same forever and never grew at all.

    Sometimes a character undergoes incredible development, has a redemption arc, or just naturally evolves during the series.

    Other times, however, a character's personality seems to do a complete 180 out of nowhere, to the point where it doesn't even feel like the same character. In fact, it almost feels as if the writers decided to completely scrap the original character altogether.

    Here are 17 TV characters who had such drastic personality changes, they were basically rewritten entirely:

    Warning: Spoilers ahead!!!

    Note: No. 13 contains references to sexual assault.

    1. Eric Matthews from Boy Meets World.

    S1 Eric saying "don't hate me because I'm beautiful" and later Eric with his head in a couch

    2. Donna Martin from Beverly Hills, 90210.

    Donna smiling

    3. Imogen Moreno from Degrassi: The Next Generation.

    s11 Imogen dramatically pretends that Eli punched her, Imogen in later seasons

    4. Tristan Milligan from Degrassi: The Next Generation and Degrassi: Next Class.

    S12 Tristan: "If I don't like myself how can anybody like me?" Next Class Tristan: "Is there another name for someone who humps anything that moves?"

    5. Dean Forester from Gilmore Girls.

    S1 Dean reading and discussing books with Rory, S2 Dean yelling about how he doesn't care about Rory going to Harvard

    6. Teddy Wells from Brooklyn Nine-Nine.

    Teddy standing with his hands on his hips

    7. Megan Parker from Drake & Josh.

    Season 1 harmless pranks, Season 3 has a whole hidden camera set up

    8. Derek Morgan from Criminal Minds.

    Derek wearing an FBI bulletproof vest

    9. Alison DiLaurentis from Pretty Little Liars.

    S1 Alison: "I made you, you don't exist without me," S5: "I honestly thought that I was helping you guys"

    10. Kermit the Frog from The Muppets.

    Kermit at the wheel waving and smiling

    11. Kelly Kapoor from The Office.

    Kelly asking, "Yeah, I have a lot of questions; No. 1: How dare you?"

    12. Carlton Banks from The Fresh Prince of Bel-Air.

    Carlton giving the peace sign

    13. Chuck Bass from Gossip Girl.

    Chuck assaults Jenny in the pilot

    14. Cat Valentine from Victorious and Sam & Cat.

    Cat smiling at someone

    15. Leslie Knope from Parks and Recreation.

    Season 1 to Season 4 Leslie

    16. Deb Scott from One Tree Hill.

    Season 1 and Season 4 Deb

    17. And finally, Ursula Buffay from Friends and Mad About You.

    Ursula in "Mad About You" vs Ursula in "Friends"

    Got another example of a character who should be on this list? Tell us in the comments!