Rajmund Roman Thierry Polański (born 18 August 1933) is a French-Polish film director, producer, writer, and actor. Since 1978, he has been a fugitive from the U.S. criminal justice system, having fled the country while awaiting sentencing for statutory rape.
Stewie captures and ties up Charlie the Bully in "The Kiss Seen Around the World". When he is found by Lois, Stewie's excuse is that they are playing house. When she notes that he is tied up, Stewie amends it to "Roman Polanski's house.
Martin Landau talks about Polanski over dinner with Stewie in "The Tan Aquatic with Steve Zissou".
Peter references Polanski when he suggests that Quagmire should move to Europe to make movies after becoming a sex offender in "Quagmire's Mom".
The guys watch Marvel's The Offenders, a parody of The Avengers featuring sexual predators in "HTTPete" in which Polanski is one of the members of the group.