It is so sad to hear that Stephen Hillenburg, the creator of Spongebob Squarepants is dead! Stephen died on Monday at the age of 57 after a battle with ALS.
Nickelodeon confirmed his death by saying;
We are incredibly saddened by the news that Steve Hillenburg has passed away following a battle with ALS. He was a beloved friend and long-time creative partner to everyone at Nickelodeon, and our hearts go out to his entire family. Steve imbued SpongeBob SquarePants with a unique sense of humor and innocence that has brought joy to generations of kids and families everywhere. His utterly original characters and the world of Bikini Bottom will long stand as a reminder of the value of optimism, friendship and the limitless power of imagination.