Mr. Lawrence
Douglas Lawrence Osowski, known professionally as Mr. Lawrence, is an American animator, writer, and voice actor. He is most known for his work as a writer and voice actor for the Nickelodeon shows Rocko's Modern Life and SpongeBob SquarePants, the latter of which he has provided the voice of Plankton, Larry the Lobster and other various characters since 1999.
Known for
The SpongeBob Movie: Sponge Out of Water 
The SpongeBob Movie: Sponge on the Run 
SpongeBob SquarePants 
The SpongeBob Movie: Search for SquarePants 
The SpongeBob SquarePants Movie 
Plankton: The Movie 
Saving Bikini Bottom: The Sandy Cheeks Movie 
Camp Lazlo! 
Rocko's Modern Life: Static Cling 
Happy Happy Joy Joy: The Ren & Stimpy Story 
SpongeBob SquarePants Presents the Tidal Zone 
Kreepaway Kamp