Kelpo is a brand of cereal popular in Bikini Bottom, most commonly eaten by SpongeBob. It is known to be sold at Barg'N-Mart. It appears in many episodes, beginning with "Karate Choppers."
Description[]

Model sheet of a Kelpo box.
It is packaged in a small, light yellow box that depicts an image of a piece of kelp with a smiling face, whose name is Kelpy; he is the mascot of the cereal brand. The cereal's name is written at the top in dark blue, capitalized text, and also reads "with one of 8 essential prizes inside!" on an orange burst effect. There are squiggly lines on the side of the box, along with a blue square.
The cereal itself is usually depicted as average pale yellow spheres, although in its debut, it is shown to be dark green kelp.

The green kelp-like substance of Kelpo in "Karate Choppers."
Role in series[]
"Karate Choppers"[]
A box of Kelpo is karate-chopped by Sandy at Barg'N-Mart.
"Prehibernation Week"[]
A fish tries to pass a box of Kelpo off as SpongeBob when Sandy orders the town to help look for him when he has gone missing.
"Shanghaied"[]
SpongeBob is about to eat a large bowl of Kelpo when he wakes up, but is distracted by the arrival of the Flying Dutchman's ship, which he mistakes as the sky having a baby.
"Artist Unknown"[]
SpongeBob hides inside an empty box of Kelpo at the Dump after Squidward hurt his feelings and drove him away from art class.
"Just One Bite"[]
A Kelpo box is seen in the trash can as SpongeBob's body when he is persuading Squidward to eat a Krabby Patty.
"The Bully"[]
SpongeBob is seen eating a bowl of Kelpo while Flats punches him.
"Rock-a-Bye Bivalve"[]
It appears as one of the foods on Patrick's table that he eats for breakfast.
"Ghost Host"[]
SpongeBob pours himself a bowl of Kelpo only to find that the Flying Dutchman replaced it with eyeballs in an attempt to scare him.
"Bummer Vacation"[]
SpongeBob is seen eating a bowl of Kelpo for breakfast during his getting-ready montage.
"Waiting"[]
The brand has its most important appearance in this episode. SpongeBob needs to collect 99 box tops from Kelpo boxes before eating all the cereal to obtain a free toy in the mail.
"Goo Goo Gas"[]
A box of Kelpo can partially be seen on the shelf at Barg'N-Mart, albeit with its distinguishing features obscured.
"Gone"[]
SpongeBob uses a box of Kelpo as his body to make his inanimate clone as he impersonates Squidward telling him to prepare the customer's order.
"Growth Spout"[]
Mr. Krabs tries looking for food in Bikini Bottom to feed to Pearl while she is having a growth spurt. He breaks into Patrick's house at night and steals his bowl of Kelpo while he is sleeping.
"Sentimental Sponge"[]
SpongeBob gathers many Kelpy toys and their wrappers, along with many other items, and adds to his collection, refusing to throw them away.
"Bubble Buddy Returns"[]
SpongeBob is seen eating a bowl of Kelpo for breakfast.
"Gary's New Toy"[]
SpongeBob tries to eat a bowl of Kelpo, but discovers that Gary ate the bottom of the bowl, which punctured a hole through it.
"Larry's Gym"[]
Larry tells SpongeBob to do some crunches, but he takes it literally and crunches on Kelpo.
"Plankton Gets the Boot"[]
A box of Kelpo is seen scattered around the floor in SpongeBob's living room along with numerous other food containers as he and Plankton are watching a movie.
"Krusty Kleaners"[]
A box of Kelpo is seen on the counter of the kitchen in the office.
"The Nitwitting"[]
At the Empty Head Society, the Ice Cream King's secretary reads the minutes off a box of Kelpo.
"Stormy Weather"[]
A Kelpo truck is briefly seen.
Role in video games[]
Battle for Bikini Bottom/Battle for Bikini Bottom: Rehydrated[]
Some Kelpo boxes appear on top of the refrigerator in SpongeBob's house. There is also a large billboard on top of a building in Downtown Bikini Bottom advertising Kelpo.
Plankton's Robotic Revenge[]
Kelpo boxes appear as a health collectible. Throughout each level, treasures chests appear which can only be opened by having a character perform a ground slam on them. Opening a treasure chest rewards the player(s) with Kelpo boxes, which will give any of the players extra health if they lost any.
SpongeBob Adventures: In a Jam![]
Kelpo is one of the items the player can collect in the game to progress.
Role in books[]
SpongeBob's Book of Excuses[]
The third excuse for "I don't have my homework" is "Pearl spilled Kelpo on it."
The Never-Ending Stay[]
Kelpo is named Kelpo Chips.
Nick Mag Presents Fall 2006[]
Kelpo is discontinued in Kelpo Me, Please.
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Trivia[]
- "More Feeling" is the only short where it appears.
- In the video game SpongeBob's Atlantis SquarePantis, during the SpongeBob's Director's Commentary for the level "Paparazzi Patrick!," SpongeBob says that Patrick's final project for photography class was a framed photograph of a box of Kelpo cereal.

A different version of Kelpo seen in "Just One Bite."

Another different version of Kelpo, seen in "Rock-a-Bye Bivalve."
- Cereal boxes with the same name are seen in the trash in "Just One Bite" and on Patrick's breakfast table in "Rock-a-Bye Bivalve," but they differ in appearance from the usual colors and do not depict Kelpy.
- They are also the only episodes to have a box of Kelpo cereal depicted without Kelpy.
- In the first two seasons (with the exception of "Shanghaied"), the box design was slightly different. Instead of the explosion-like symbol at the bottom, there was a triangle. Also, in the first two appearances specifically, the box is more a yellow-tan shade while the logo is a darker shade of blue.
- In "Shanghaied," the box says one can get one of eight essential prizes inside, but in "Sentimental Sponge," SpongeBob only has one type of prize in his collection.