1 Eugene Krabs
Eugene H. Krabs, or simply Mr. Krabs, is a fictional character in the American animated television series SpongeBob SquarePants. Seasons 1-3 (pre-movie 1 era): He was just an average character. He cared for his employees and his daughter, though he was a tad greedy.
Seasons 4-present: Careless, ungrateful, and too greedy! He gets very carried away. He's a selfish, heartless, pushy, no-good liar.
This is the most degraded character, reaching antagonism.
The old Mr. Krabs wasn't perfect, but at least he was better than the modern one. I'll admit he was a bit nicer back then. Like in the episode when SpongeBob forgot how to make a Krabby Patty, he let him go home until he remembered.
He wasn't perfect, but then again, nobody is.
2 Patrick Star
Patrick Star is a fictional character in the American animated television series SpongeBob SquarePants, and he is one of the 10 main characters in the show. He is voiced by actor Bill Fagerbakke, who also voices numerous other characters on the show. Created and designed by marine biologist and cartoonist... read more Season 1-4: Funny, nice, cares for people
Season 5-8: Annoying, mean, stupid
Season 9: Dumb, silly.
3 SpongeBob SquarePants
Then, he thought Squidward was his friend and annoyed him accidentally. Now, he annoys him on purpose.
Season 1, 2, 3: A regular happy sponge
Season 4, 5: A sponge that gets too happy sometimes
Season 6 on: An annoying jerk.
High-pitched voice.
4 Mrs. Puff
Mrs. Puff is a fictional character appearing in the American animated television series SpongeBob SquarePants and both films based on the franchise.
5 Squidward Tentacles
Squidward Tentacles is a fictional character voiced by actor Rodger Bumpass in the American animated television series SpongeBob SquarePants.
6 Sandy Cheeks
7 Sheldon Plankton
Sheldon James Plankton, or simply Plankton, is a character in the Nickelodeon animated television series SpongeBob SquarePants.
8 Pearl Krabs
She used to be quite funny.
9 Karen Plankton
10 Patchy the Pirate
Patchy the Pirate is a fictional character who is a pirate appearing in many SpongeBob SquarePants specials and major events, as the "host" of these. He is the president of the SpongeBob SquarePants Fan Club and is portrayed by SpongeBob's voice actor, Tom Kenny. He resides in a small home in Encino,... read more A more minor example of flanderization, but it's kind of noticeable in Truth or Square.
The Contenders
11 Gary the Snail