Sir Sandy

Sandra Cheeks (better known as Sir Sandy or SS) is a female squirrel from Texas and is leader of Anti-Plankton, a group against Sheldon Plankton and his force.

Season 1

 * The Take Over! (debut)
 * Life As A Prisoner (speaking cameo)
 * Squirrel And Plankton Fight
 * SpongeBob Escapes
 * The Mystery of the Black Sponge
 * Wanted: The Black Sponge
 * Moon Races
 * An Unwanted Visitor
 * The New Moonian Baby
 * Trip To The Moon
 * Back To The Ruled Ocean

Season 2

 * Prehistoric Plankton (prehistoric self)
 * The Fight Against Bubble Buddy
 * The Leader Plankton! Christmas Special
 * It's Almost A New Year!
 * It's a Ruling New Year!
 * The Black Sponge Is At It Again
 * Sandy's Easter Friend of Doom
 * 4 Out of 4: Admin Status (cameo)
 * The Powerful Chum
 * Moonian Invasion (cameos)
 * The Moon's War

Trivia

 * Her real name is Sandra Cheeks.