Eugene Krabs: The red crab sports a classic name that peaked in popularity around the late 1920s but now ranks in the lowest quarter of the top 1,000.
Sandy Cheeks: It is certainly unexpected to find a squirrel living under the sea, but the multitalented Sandy does just that. Her gender-neutral name is favored more for girls than for boys.
Gary Snail: Humans keep cats as pets, SpongeBob keeps a snail. Gary enjoyed its best years in the 1950s and has slowly dropped in popularity ever since.
Sheldon Plankton: The main antagonist shares his not-so-popular name with The Big Bang Theory's goofy Sheldon Cooper.
Karen: Plankton's W.I.F.E. Karen is really a Wired Integrated Female Electroencephalograph. Karen was among the top 10 names for baby girls from 1951 through 1968.
Pearl Krabs: For some unknown reason, Mr. Krabs' teenage daughter is a sperm whale. Her antique moniker is enjoying a resurgence in popularity, thanks to celebs who have chosen the name for their children.
Larry the Lobster: When you think about it, it's silly that this underwater series would feature a lifeguard (and a lobster lifeguard at that).
Perch Perkins: Perhaps it's time the names of this field news reporter sports names, Perch and Perkins, finally make the Social Security Administration's top 1,000.
Squilliam Fancyson: The archrival (and former classmate) of Squidward, Squilliam is arrogant, wealthy and talented. We don't recommend Squilliam as a first name, but William makes a nice substitute.
Betsy Krabs: Viewers were shocked when Plankton put the moves on Betsy, who is Mr. Krabs' domineering mother.
Man Ray: Picture a well-built man wearing a helmet in the shape of a stingray's head, and you'll have a pretty good idea of what this villain looks like. Man Ray and Dirty Bubble frequently cross paths with elderly superheroes Mermaid Man and Barnacle Boy.
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