Franklin Nathaniel Jonas (born September 28, 2000) is an American singer and actor. Jonas voiced Sōsuke in the English dub of the 2008 film Ponyo and was a recurring character in the Disney Channel series Jonas. He also appeared in a minor role in the Disney Channel original film Camp Rock 2: The Final Jam. He has also made appearances on Married to Jonas on E! which follows the life of his brother Kevin Jonas. In 2009, Jonas won "Choice Breakout TV Star – Male" at the Teen Choice Awards. In 2023, he launched a music career as a singer and songwriter. He has released two singles and one extended play, Sewer Rat. Since 2025, he has released music with his band, Franklin Jonas & The Byzantines. They call him “Frankie The Bonus Jonas”.
Early life
Franklin Nathaniel Jonas was born on September 28, 2000, in Ridgewood, New Jersey, the youngest son of Denise (née Miller) and Paul Kevin Jonas Sr. He has three older brothers who make up the pop trio Jonas Brothers, Kevin (b. 1987), Joe (b. 1989), and Nick (b. 1992) He spent most of his teens residing in Southlake, Texas where the brothers bought a home and he attended Carroll Senior High School.
In 2019, Jonas graduated from the Blackbird Academy in Nashville with a certificate in audio engineering and moved to Los Angeles to start his career as a studio engineer. He started taking astrophysics and writing classes in November 2020 at Columbia University.
Career
Child actor In 2009, Jonas voice acted in Hayao Miyazaki's animated film Ponyo, released in American theaters on August 14, 2009. He played Sōsuke, a character who is befriended by a juvenile fish named Ponyo (voiced by Noah Cyrus), who wants to become a human girl. They both sing the theme song of the film. He appeared as a recurring character in the Disney Channel Original Series, Jonas for which he won the award for "Choice Breakout TV Star Male" at the 2009 Teen Choice Awards. His first on-screen film role was in Camp Rock 2: The Final Jam, alongside the Jonas Brothers as Junior Rocker Trevor. He also appeared in the E! reality show, Married to Jonas, following Kevin Jonas and his wife Danielle in their married life, including the comeback of the Jonas Brothers in late 2013.
Solo music career In June 2017, Jonas posted his debut track on SoundCloud called "Shanghai Noon". Less than a year later, he uploaded "Appa" on the same platform. In January 2019, he produced Alli Haber's song "Too Young".
Jonas had 1.9 million followers on TikTok as of July 2022. On March 31, 2021, it was announced that Jonas had signed with UTA, the agency that represents his three older siblings.
He has been co-hosting ABC's Claim to Fame show with his brother Kevin Jonas since July 11, 2022.
In February 2023, Jonas released his debut single "Cocaine". He followed up with his second single release, "Hoboken" on April 26, 2023. Jonas made his live performance debut at Stagecoach Festival on April 29, 2023. He released his debut extended play Sewer Rat on June 21, 2023. The EP featured "Cocaine" and "Hoboken" as well as three new songs.
Franklin Jonas & The Byzantines Since 2025, Jonas has been performing as the vocalist of his band, Franklin Jonas & The Byzantines, featuring guitarist Tim Bruns and banjo player Aidan Harbeson. In 2025, they released three singles, "Village Liquors", "Road Soda", and "Break the Levee". The following year, they released single "High And Sad", as well as a second version of the song with guest vocal from Noah Cyrus.
Franklin Jonas & The Byzantines opened for the Jonas Brothers on their 2025 tour, Jonas20: Greetings from Your Hometown Tour. In 2026, they opened for Hunter Hayes on his The Evergreen Tour; for The Maine as part of their tour, I Love You But I Chose The Maine; and for Nick Jonas on his solo tour, A Night with Nick. Their first headline tour, First of Many Tour kicked off in August 2026.
Personal life
In a March 2021 interview, Jonas discussed his suicidal thoughts, alcoholism, and struggle to sobriety. He is a student at Columbia University taking astrophysics and academic writing classes.
Jonas dislikes being referred to as the "Bonus Jonas". His older brothers promised to stop calling him that after he said that he found it "hurtful".
In September 2021, Jonas, Charli D'Amelio, Suni Lee, and Lil Huddy received backlash after they were all seen wearing Scientology necklaces on TikTok. The prank was seen as distasteful considering the many scandals associated with Scientology. The post has since been deleted.
Discography
Solo discography
Extended plays AlbumAlbum details Sewer RatReleased: June 21, 2023 Label: Pizzaslime Records Formats: Digital download, streaming
Singles Year Song Artist(s)2010"Ponyo on the Cliff by the Sea"Noah Cyrus and Frankie Jonas2023"Cocaine"Franklin Jonas"Hoboken""Grow Up""New Girl""Cherub"
Franklin Jonas & The Byzantines Singles YearSongFeatured artist(s)2025"Village Liquors""Soda Road""Break the Levee"2026"Hoboken Revisited""High and Sad"Noah Cyrus
Filmography Television YearTelevisionRoleNotes2008 Jonas Brothers: Living the DreamHimself Jonas Brothers: Band in a Bus 2009–2010Jonas Frankie Lucas 2011–2013The Haunting Hour: The Series Dave and Steffan Episodes: "Pumpkinhead", and "Coat Rack Cowboy". 2012–2013 Married to JonasHimself Docu-soap 2022–present Claim to Fame Co-host with Kevin Jonas
Film Year Film Role Notes 2009 Ponyo Sōsuke Voice, English dub Night at the Museum: Battle of the Smithsonian Kid in Museum Uncredited Jonas Brothers: The 3D Concert Experience Himself Cameo 2010 Camp Rock 2: The Final Jam Trevor 2011 Jonas Brothers: The Journey Himself Unauthorized documentary Spooky Buddies PipVoice 2012 The Reef 2: High Tide Junior 2013 Gutsy Frog Frankie 2019 Jonas Brothers: Chasing HappinessHimself Documentary 2020 Jonas Brothers: Happiness ContinuesDocumentary, Concert Film 2025 A Very Jonas Christmas Movie
Web Year Title Role Notes 2009 KSM: Read Between the Lines Himself Episode: "Hangin' with the Jonas Brothers"; cameo
Music videos Year Song Artist2008 "When You Look Me in the Eyes" Jonas Brothers (cameo appearance) 2009 "Love Is on Its Way" "Fly with Me""Ponyo On the Cliff By the Sea" Noah Cyrus and Frankie Jonas2012 "Sweet Baby" Jru Driscoll (cameo appearance)2017"Remember I Told You" (cameo appearance)
Awards and nominations Year Award Category Role Result2009Teen Choice AwardsChoice TV Breakout Star MaleFrankie Lucas on JonasCHILI OFF XVIChili Cook OffChili Cook4th Place2010J-14 Teen Model AwardsIcon of TomorrowBiffGreat Chili Cook Off 2010Chili Cook OffChili Cook6th Place2011CHILI OFF XVIII3rd Place
References
External links