Premise: Yahoo Serious (born 27 July 1953), born Greg Gomez Pead (name-change by deed poll in 1980), is an Australian film actor, director, and score composer. He is best known for his 1988 comedy film "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.
Hypothesis: Yahoo Serious has never starred in other people's films.