Richie Sakai is an anesthesiologist who sang in the karaoke bar at The Happy Sumo restaurant. He is modeled and named after long-time producer Richard Sakai. He sings "Gypsies, Tramps, and Thieves" which he dedicates to his wife, Pattie.
A man similar to him, but with brown hair, was seen sitting in the Springfield Elementary auditorium.
In "Jazzy and the Pussycats" he is mentioned in a long list of jazz musicians. He plays the xylophone.
- Episode – "One Fish, Two Fish, Blowfish, Blue Fish"
- Episode – "Marge vs. the Monorail"
- Episode – "Sideshow Bob Roberts"
- Episode – "Marge's Son Poisoning"
- Episode – "Jazzy and the Pussycats"
- Episode – "When Flanders Failed"
- Episode – "Dancin' Homer"