Plankton 4
Plankton 4 is a "Plankton" incidental who first appears in the episode "Plankton's Army."
Description
They are a light green plankton with a dark green and deep green striped body who wears a gray hat with a red stripe.
Role in series
Plankton 4 has made a few episode appearances in the series so far. Like all "Plankton" incidentals, they are always portrayed to be a member of the Plankton family.
Roles
"Plankton's Army"
They are one of the many members of the Plankton family who help Plankton steal the Krabby Patty secret formula in the episode.
"One Coarse Meal"
They appear in Plankton's flashback as one of the many family members who get eaten by a whale. They later appear in Plankton's dream inside of Pearl's stomach.
"Karen's Virus"
They very briefly appear in one of Karen's memories alongside several other "Plankton" incidentals.
"Something Narwhal This Way Comes"
They are one of the many members of the Plankton family who chases the nearwhals away from Bikini Bottom.
"Blood is Thicker Than Grease"
They are one of the many Plankton family members who greet Plankton in Ma Plankton and Gordon Plankton's trailer.
"In the Mood to Feud"
They fight alongside the Plankton family in the feud at Bikini Holler against the Narwhal family.