11Fred
Whenever havoc breaks out in ‘SpongeBob SquarePants’, Fred the fish cries “My leg!”
12Spongebob laugh
To create SpongeBob's distinctive laugh, Tom Kenny hits his throat with his hand repeatedly while saying, "Ahh."
13Patrick
Patrick from SpongeBob SquarePants is portrayed as dimwitted and lacking common sense because starfish do not have a brain.
14Gary the Snail
Spongebob Squarepants' pet, Gary the Snail's real name is Gerard Wilson Jr. Gary the Snail's father happens to be a brother of Herb Star, Patrick Star's father, making Gary the Snail and Patrick Star first cousins.
15Stanley S. SquarePants
SpongeBob's last name is SquarePants, but all of his relatives are round, except Stanley, who is part square, as it was revealed in season five, episode twenty, "Banned in Bikini Bottom/Stanley S. SquarePants."
16SpongeBob
SpongeBob's favorite color is beige. His favorite ice cream flavor is vanilla.
17SpongeBob's birthday
SpongeBob's birthday is July 14th one day after his voice actor Tom Kenny's birthday.
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18Mrs. Krabs
Mrs. Krabs, Pearl's mother is never seen implying that she is either deceased or she and Mr. Krabs are divorced.
19Mr. Krabs
The Krusty Krab has only 2 employees because Mr. Krabs is a cheapskate.
20Band Geeks
The Spongebob producers originally used royalty-free marching music at the end of "Band Geeks," but couldn't find music they liked. They instead used David Glen Eisley's "Sweet Victory." The song went from nearly unknown to selling 300,000 downloads on iTunes within a year of the episode airing.