Sheldon J. Plankton (Livin' With The Squid)

Sheldon J. Plankton is the cashier at the Krusty Krab.

Appearances

 * 110. "Reality Squid"
 * 111. "The Battle Continues..."
 * 115. "Back To Normal" (cameo)
 * 119. "Fortune Cookies Can't Be Trusted"
 * 120. "New Worker"
 * 125. "Best Employee"
 * 126. "The Squidward Effect" (cameo)