was he involved in any controversies?
His creation, "SpongeBob SquarePants" has been involved in public controversies.
Stephen Hillenburg
Despite its widespread popularity, "SpongeBob SquarePants" has been involved in public controversies. In 2005, a promotional video showing SpongeBob and other characters from children's shows singing together to promote diversity and tolerance was attacked by an evangelical group because they saw SpongeBob as being used to "advocate homosexuality". 
when did spongebob start working at the krusty krab After he fulfils the task given by Mr. Krabs. what is referred as help wanted? It is the pilot episode of the American animated television series "SpongeBob SquarePants". when was it aired? May 1, 1999 who did its background score? Tiny Tim who is the creator of the mentioned series? Stephen Hillenburg who are its characters? SpongeBob SquarePants, snail Gary, Patrick Star, Mr.Krabs, to name some. who was cast for this first character? Tom Kenny voices SpongeBob who were the other actors to lend their voice? Tom Kenny, Bill Fagerbakke, Rodger Bumpass, Clancy Brown, Mr. Lawrence, Jill Talley, Carolyn Lawrence, Mary Jo Catlett, and Lori Alan. is there any themed park based on this? Yes, it appears at the Mall of America's Nickelodeon theme park which features a SpongeBob-themed Gerstlauer Euro-Fighter custom roller coaster. and any film made on this? Yes, a feature film, "The SpongeBob SquarePants Movie". is it an animated movie? Yes, live-action/animated adventure comedy. what else has the above mentioned creator worked in? "Rocko's Modern Life", "The Green Beret" and "Wormholes".
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Stephen Hillenburg [SEP] Controversy
Despite its widespread popularity, "SpongeBob SquarePants" has been involved in public controversies. In 2005, a promotional video showing SpongeBob and other characters from children's shows singing together to promote diversity and tolerance was attacked by an evangelical group because they saw SpongeBob as being used to "advocate homosexuality". James Dobson of Focus on the Family accused the video of promoting homosexuality, because it was sponsored by a pro-tolerance group. The incident prompted questions as to whether SpongeBob is gay. Although the character has enjoyed popularity with gay viewers, Hillenburg had already denied this in 2002, clarifying at the time that he considers the character "somewhat asexual".