Plankton (in English: Plankton) is a fictional cartoon character in the SpongeBob SquarePants series that appeared for the first time in 1999, and it is a plankton-type evil creature that has sinister plans to control the bottom of the grouper. His voice was performed in the English version by the American actor Mr. Lawrence, but in the Arabic version he was played by the Egyptian actor Ahmed Khairy.