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.
Role in series
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.
|Plankton (V • E)|
Sheldon J. Plankton • Clem • Rufus • Rainchild • Sheldon J. Plankton (Mr. Plankton's Universe) • Gordon Plankton • Lily Plankton • Basia • Alvin • Silas Plankton • Planktonamor • Dead Eye Plankton • Grand Dad Plankton • Green PlanKrab • Ideal Plankton • Cousin Marvin • Dream Lily Plankton • Mama Plankton • Moe Bros • PlanKrab • Plankton zombies • Planktonamor • Red PlanKrab • Seymour • Sheldon J. Plankton (Bikini Bottom 2)