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The light blue cellmate is a character that appeared in the episode "Jailbreak!" He was one of Plankton's cellmates.


The light blue cellmate is mainly a tall, light blue fish with light green arms and fin.


The light blue cellmate was first seen eating Plankton's food. Not knowing, the light blue cellmate eats Plankton and as Plankton calls out his own name from inside, the Purple cellmate gets angry at the light blue cellmate and the light blue cellmate gets beaten up by him and Reggie. After Plankton got everyone settled down, the light blue cellmate agreed to help Plankton escape prison and take the Krabby Patty secret formula with the use of chum. However, the light blue cellmate and the others were all soon arrested and taken back to prison.


  • The light blue cellmate revealed that he used chum as a gas bomb to rob a bank.

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