Don Orville

Don Orville is a fictional law enforcement officer and a main character (formerly a supporting character) on the NBC comedy series 3rd Rock from the Sun. He was played by actor Wayne Knight and introduced in the season one episode, "Assault with a Deadly Dick" in 1996. He made one-hundred appearances on the series in total. He came a regular character on the series beginning with season three and remained on the show throughout its duration.