Rainchild
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— Rainchild, Plankton's Robotic Revenge
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Rainchild, also known as Plankton 12, is a "Plankton" incidental who first appears in the episode "Plankton's Army."
Description
He is a light teal plankton with a dark teal crown-like fin on top of his head.
Names
Rainchild is the only generic name that Plankton 12 was given in the franchise. It was used for him in "Plankton's Army."
Role in series
Rainchild has made a few episode appearances in the series so far. Like all "Plankton" incidentals, he is always portrayed to be a member of the Plankton family.
Roles
"Plankton's Army"
He is one of the many members of the Plankton family who help Plankton steal the Krabby Patty secret formula in the episode.
"One Coarse Meal"
He appears in Plankton's flashback about his family being eaten, and then appears again inside Pearl during Plankton's nightmare.
"Karen's Virus"
He very briefly appears in one of Karen's memories alongside several other "Plankton" incidentals.
"Something Narwhal This Way Comes"
He is one of the many members of the Plankton family who chases the narwhals away from Bikini Bottom.
"Blood is Thicker Than Grease"
He is one of the many Plankton family members who greet Plankton in Ma Plankton and Gordon Plankton's trailer.
"In the Mood to Feud"
He fights alongside the Plankton family in the feud at Bikini Holler against the Narwhal family where he can be seen activating a potato cannon.
Role in games
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.