Seth Green Tells Conan His 'Family Guy' Character Is Based On A Serial Killer (VIDEO) Seth Green stopped by Conan on Wednesday night and revealed something about his Family Guy character that you might find slightly disturbing. Watch the clip above to hear Green explain how the movie The Silence Of The Lambs ended up inspiring the voice of Chris Griffin. As it turns out, if he hadn't seen the movie (and his friend hadn't though of a good dare) he probably wouldn't have gotten the job he's had for years.