Rainchild Plankton is one of Plankton's cousins. He is appears in the episode "Plankton's Army" and is a boss in the video game Plankton's Robotic Revenge.


He is a light blue plankton with 6 light teal spikes on his head. Like all other plankton, he is small and he has one eye. His eye color is light yellow with a black pupil. He also has buck teeth.


"Plankton's Army"

When Plankton calls his family to help him obtain the Krabby Patty secret formula, Rainchild along with many other of Plankton's relatives show up. They then get the fake formula, and upon seeing that the secret ingredient is plankton, they all run out of the Krusty Krab.

Plankton's Robotic Revenge

He is the first boss that appears in Dutchman's Triangle and he is in a robot suit. After defeating him, SpongeBob and the gang get one of the three keys and they continue their adventure to Rock Bottom. This video game marks the first time Rainchild is given a speaking role.


SpongeBob, Patrick, Camera, and Cheese Fizz
"Patrick! You're spraying the camera with Cheese Fizz!"

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Plankton (VE)

Sheldon J. PlanktonClemBilly Jim PlanktonJoe PlanktonBilly Bob PlanktonRufusBilly Billy Bo Billy Banana Fana Fo FillyDougEnis PlanktonFletcher McGeeRainchildJekeFlemJulioTimmyZekeDream PlanktonSheldon J. Plankton (Mr. Plankton's Universe)Gordon PlanktonLily PlanktonPlank-TonBasiaAlvinSilas PlanktonPlanktonamorDead Eye PlanktonKing Plankton (character)

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