Fear of a Krabby Patty: To convince SpongeBob to tell him the formula, he turned his restaurant into a psychology lab simply by adding some curtains and two chairs, but SpongeBob wrecked it and Plankton only cured him.
Command Module: An old hairdryer taped to the back of a miniature windmill on wheels.
Noxious Enterprise's Super SPU-31 Liquid-Cooled Mobile Processing Unit: A large, bulbous liquid-filled glass robot with 4 jointed legs.
T-119A Compumatic: A talking toaster with wheels, antennae, and a claw.
Switch Lives Just to Know What It's Like-O-Mogrifier: An invention that will let Plankton switch With a dolphin, mermaid, Jellyfish or a crab as seen in the episode: The Algae's Always Greener.
Krabs-shaped robot built by Plankton to receive the Krabby Patty formula. There was also a smaller robot copy of Plankton in [[Battle for Bikini Bottom (game)| Battle for Bikini Bottom. The plans did not work out as expected by Plankton.
Plankton Robot: or Chumbot A giant robot used to steal Mama Krabs and also snatch people and place them in the Chum Bucket, to convince them to buy some food.
RobotBob SpongeChefPants: A robot that is controlled by SpongeBob's brain.
The object scanned and analyzed by this invention will send it into Karen.
The Analyzer: The sand clock-like zapping machine that will discuss the 2 recipes of a Krabby Patty.
They later were forced to work the register at the Krusty Krab.
Cave Dwellers - Forced by Plankton to work in the Chum Caverns and served chum.
SquarePants: worked here when he needed a job when he came to visit SpongeBob, more than likely fired for the destruction of the Chum Bucket.
Mermaid Man and Barnacle Boy: Controlled them with Professor Plankton's Mind Control Shampoo with Conditioner to destroy the business of the Krusty Krab, but Fry Boy feeds them fiber Krabby Patties, which makes Plankton alone again.
Bikini Bottom: In the SpongeBob Movie, Plankton controlled everybody in Bikini Bottom with evil bucket-control helmets.
Plankton's Cousins: Assistants to steal the Krabby Patty formula.
Krabs Robot: The robot who looks like Mr. Also worked in The SpongeBob SquarePants Movie.
Squidward Tentacles: Worked to design better of the Chum Bucket.
Patrick Star: Worked in: The Fry Cook Games, Bucket Sweet Bucket, and Chum Bucket Supreme.
Also, SpongeBob worked for Plankton in The Algae's Always Greener in the Switch-Lives Machine World/paralell universe.
SpongeBob SquarePants: Plankton will have SpongeBob as an employee like in Bucket Sweet Bucket and Welcome to the Chum Bucket.
Karen Plankton: The co-owner and executive assistant manager of the Chum Bucket.
His main job really is stealing the Krabby Patty formula, although this only succeeded in the movie. Plankton: The main owner and runner of the Chum Bucket. In Komputer Overload we learn that there are two drinks on the menu: Bucket Bubbler and Chum Cherry Blast. The items on the menu are: Chum Burger, Chum Fries, Chumbalaya, Chum Pie, Chumstick, Chum Chili, Chum Shake and Chummy Joes. The menu first appeared when SpongeBob comes in the Chum Bucket in the episode: Plankton!.
Meeting Room: Where Plankton can have a conversation with his employees (if he had some).
The Krusty Krab Replica: The kitchen that looks exactly just like the Krusty Krab's.
Seen in Plankton! and the Nicktoons Unite Video Game
The Lab Room: Where Plankton can see his Labrador in realistic vision.
Office: The working place where Plankton sleeps and makes Evil Plans to steal the Krabby Patty formula.
Kitchen/Evil Laboratory: Where Plankton does evil experiments and actually never makes food here.
The only person that comes to the Chum Bucket to eat Chum on his own was Nat, in the episode Plankton's Regular
Cafeteria: Where you order food, and eat it.
The only time, though, that the restaraunt appears without Plankton was in No Hat For Pat. It is visible from that restaurant's front window, but unless Plankton appears in a particular episode, it is not there. The Chum Bucket is located across the street from the Krusty Krab.