His pet is a snail called Gary, SpongeBob sees in him the best friend to whom he can tell anything and who soothes him after a hard day of work. SpongeBob is working at a restaurant in that town, he prepares the hamburgers. He is also understood with his neighbors who play an important role in this series. SpongeBob Squarepants is the main character in this series, he lives in a huge pineapple. These characters appear almost in every episode in this series. Krabs Plankton and Karen Sandy Cheeks Mrs. Some main characters in this series: SpongeBob SquarePants Patrick Star Squidward Tentacles Mr. This animated series shows us the world at the sea bottom. The SpongeBob games are based on the American animated series, SpongeBob Squarepants.