Entertainment Creator of SpongeBob, SquarePants, Cartoon Series, Stephen Hillenburg, is Dead by Damilare Salami November 28, 2018 by Damilare Salami November 28, 2018 The creator of SpongeBob, SquarePants, cartoon series, Stephen Hillenburg, is dead. Hillenburg died on Tuesday at the age of 57. The cause of death was motor neurone disease also known … 0 FacebookTwitterPinterestEmail