Doug Lawrence (born January 1 1969 as Douglas Osowski), or simply Mr. Lawrence, is the voice of evil and power hungry Plankton, Larry the Lobster, Realistic Fish Head (whose name is "Johnny"), and various other characters from the animated TV comedy SpongeBob SquarePants and the voices of noted tattletale Edward T. Platypus, Nurse Leslie and Dave and Ping-Pong on Camp Lazlo.
Previously, he was voice of Filburt Shellbach in Rocko's Modern Life. He is also a standup comedian, cartoonist, writer-director, animator and producer on the television series Johnny Talk. He also worked on The Ren and Stimpy Show in its second season as a layout assistant. Apart from his voice work he is a writer and story editor on SpongeBob SquarePants.
- He drew the album cover for the album: Weird Al. Yankovic - The Food Album.
- He voices various background characters throughout the series.