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 SquarePants (season 9)"): The ninth season of the American animated television series "SpongeBob SquarePants", created by former marine biologist and animator Stephen Hillenburg, originally aired on Nickelodeon in the United States from July 21, 2012 to February 20, 2017, and contained 26 episodes, beginning with the episode "Extreme Spots"/"Squirrel Record".
Relevant evidence: Yes