SpongeBob SquarePants' creator Stephen Hillenburg is dead at age 57 - ABC News

He said he'd been diagnosed with amyotrophic lateral sclerosis, or ALS, in 2017.
Hillenburg revealed in March 2017 that he had been diagnosed with amyotrophic lateral sclerosis, also known as Lou Gehrig's disease.

List of SpongeBob SquarePants episodes - Wikipedia

SpongeBob SquarePants - Wikipedia

SpongeBob SquarePants creator Stephen Hillenburg dies…

Network news: STEPHEN HILLENBURG PASSES AWAY

The Intertidal Zone - Encyclopedia SpongeBobia - The SpongeBob SquarePants Wiki

SpongeBob' creator Stephen Hillenburg dies at 57

SpongeBob SquarePants' Creator Stephen Hillenburg Dies At 57

SpongeBob SquarePants, The JH Movie Collection's Official Wiki

SpongeBob Squarepants' creator Stephen Hillenburg dead at 57