He is a greenish/turquoise striped plankton. He is rectangular with a gray mustache, one eye, similar to the rest of them, and is very tall.
After Plankton fails to steal the Krabby Patty Secret Formula, Karen suggests to hire an army, Plankton agrees. Plankton sends a message to his family, after finally arriving at the Chum Bucket, Plankton sees that his cousins are a bunch of hillbillies, Plankton remarks he has been "away from home longer then he thought. He brings Julio and the rest inside and introduces them to Karen. Plankton unplugs Karen because she was making fun of his first name (Sheldon), he tells Julio and the rest to help him steal the formula, however, his cousins want something in return (root bear) Plankton tells them that he will give them "as much root bear as they can drink" as long as they help him. Plankton and his "army" arrive at the Krusty Krab, Plankton tells Mr. Krabs and Squidward Tentacles to surrender the formula or he will "destroy" the Krusty Krab. Mr. Krabs asks him "in what army bud?". Plankton replies "what army? WHAT ARMY?! Look around you Krabs!". Mr. Krabs looks at Plankton's cousins "you planted grass?". Plankton laughs evilly along with his cousins. Mr. Krabs realizes that Plankton has created an army. After beating up and eventually capturing Mr. Krabs and Squidward, Plankton reads the formula but Mr. Krabs tries warning Plankton saying that what he is about to read were not "meant for mortal eyes" "I don't care" Plankton replies while he reads the formula. After finding out that the secret formula is plankton, Plankton runs away in fear yelling "CURSE YOU MR. KRABS!", Plankton's cousins read this and they all run away (except for Clem who can't read).
Shower In A Can!
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He is possibly the tallest Plankton family member.