Major
Mrs. Puff • Pearl • Karen • Mermaid Man • Barnacle Boy • Larry the Lobster • Nat Peterson • Harold • Scooter • Betsy Krabs • Man Ray • Dirty Bubble • Squilliam Fancyson • French Narrator • King Neptune • Mrs. SquarePants • Nancy Suzy Fish • Fred • Gill Gilliam • Johnny • Mable • Old Man Jenkins • Tom • Lou • Lenny • Cora Rechid • Monroe Timmy • Shubie • Dennis • Johnny Erain • Martha Smith • Sally • Flying Dutchman • Patchy the Pirate • Potty the Parrot

Minor
Annette • Bubble Bass • Bubble Buddy • Bubble Bust • Buiser • Carl • Clamu • Craig Mammalton • Dexter Blubbuns • Jack M. Crazyfish • Dennis (mercenary) • DoodleBob • Dr. Marmalade • Filthy Phil • Milo J. Finkerfish • Flatts the Flounder • Frank (citizen) • Frank (store owner) • Gene Scallop • Glovie • Gorilla • Grandma SquarePants • Heart Man • Horace A. Whopper • Horace B. Magic • Jim • King Krabs • Marty • Queen Mildew • Mrs. SquarePants • Patar • Patty • Mindy • Mr. Seaweed Monsterman • Moth • Ned and the Needlefish • Perch Perkins • Prawn • Salesman • Sandman • Sea Bear • Sea Rhinoceros • Smitty Werben Jigger Man Jensen • Spat • Squid Wood • Mr. Bakerman • Stinky • Tattletale Strangler •Mr. Tentacles • Mrs. Tentacles • Tina • What Zit Tooya • Nicholas Whithers • George the Zebra • Painty the Pirate • Dr. Manowar • David Hasselhoff • Lion Fish • Kevin C. Cucumber • Nosferatu • Queen Amphitrite • Robot SpongeBob • Robot DX29488

Groups
TUOOFATTAFAD • Anchovies • Bikini Bottom Symphony Orchestra • Blue Jellyfish • Boys Who Cry • SquarePants family • Tentacles family • Krabs Family • Plankton Family • Patrick and Gary's family • Cheeks family