|Sheldon J. Plankton|
|Occupation(s)|| Owner and Founder of the Burger Bucket|
Author of The Secret Formula to Sucess
|Residence||Burger Bucket, Bikini Bottom, Pacific Ocean|
|Friends|| Almost everyone in Bikini Bottom|
Dr. Finbarr Calamitous
Professor Denzel Crocker
|Love Interest||Karen Plankton|
|First appearance||Nicktoons: An Evil Adventure|
Sheldon J. Plankton is the alternate-universe version of Sheldon J. Plankton.
Sheldon looks a lot like the main-universe Plankton.
Sheldon is really nice to everyone.
Sheldon has a similar history to Mr. Plankton.
However, there are a few differences. They main differences are that he opened the Burger Bucket, not the Krusty Krab and Sheldon did not have a daughter.
Sheldon has a few friends in the multiverse.
Three of them are: