creator Steve Hillenburg admits he never expected his animated sea-dwelling characters to become pop-culture phenomena.
Nickelodeon is celebrating the series' 10th anniversary with a marathon of special programming this weekend.
Hillenburg, a former marine biologist, told USA Today.
recalled Nickelodeon president Cyma Zarghami.
Asked how much longer the network will air the show, Zarghami told the newspaper:
Tom Kenny, who gives SpongeBob his distinctive voice, told the newspaper.