Yahoo Serious (born 27 July 1953), born Greg Gomez Pead (name-change by deed poll in 1980), is an Australian former film actor, director and score composer. He is best known for his 1988 comedy Young Einstein. He also created Reckless Kelly in 1993 and Mr. Accident in 2000. Serious writes, directs, produces, stars in, and has composed the scores for his movies.

Shortly after the production of Young Einstein, Serious married Austrlaian screenwriter and producer Lulu Pinkus. Their relationship ended in 2007. Serious currently serves as founding director of the Kokoda Track Foundation, an Australian aid organization dedicated to improving the living conditions of Papua New Guineans.