Tennis is played by millions of recreational players and is also a popular worldwide spectator sport.
The following SpongeBob SquarePants characters make most of the appearances during the series. Main characters. SpongeBob SquarePants (voiced by Tom Kenny) is the main protagonist of the animated comedy series of the same name. Patrick Star (voiced by Bill Fagerbakke) is SpongeBob's best friend. Squidward Tentacles (voiced by Rodger Bumpass) is the neighbor of SpongeBob and Patrick.
Hillenburg was against celebrities providing guest voices for his creation, out of fear of a comparison to The Simpsons. Two exceptions to the rule during the first three seasons of the show were Tim Conway and Ernest Borgnine, who played SpongeBob's favorite superheroes, Mermaid Man and Barnacle Boy.