Assistant Karen

Assistant Karen is Leader Plankton's computer assistant. She has only made a few appearances in the series.

Season 1

 * Stuck On The Moon (debut)
 * The Search For Patrick
 * The Mystery of the Black Sponge
 * Moon Races

Season 2

 * The No Thanks-Giving Gifts to Leader Plankton Special (cameo)
 * 4 Out of 4: Admin Status
 * Rocket Building
 * Strict Plankton Diet

Trivia

 * She only appears as a portable wheeled computer in this series and not a large monitor screen.
 * She is one of the characters in Leader Plankton! that looks exactly the same as their alternate dimension counterparts.
 * She actually listens to Leader Plankton and doesn't sass him, and Leader Plankton actually gives her credit for her ideas.
 * She has an antenna is he that can locate people no matter where they are in their universe.