Question: Who is the main character in the animated television series that orginally aired on Nickolodeon and featured the underwater adventures of the this title character and his friends from Bikini Bottom?
Sentence (from "SpongeBob, You're Fired"): In this episode of the series, which follows the adventures and endeavors of the title character and his various friends in the underwater city of Bikini Bottom, SpongeBob gets fired from the Krusty Krab after Mr. Krabs discovers he can save a nickel by eliminating him.
Relevant evidence: Yes