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Fenix Flexin

Fenix Flexin

Shoreline Mafia co-founder turned solo rapper whose 2026 synth-pop pivot 'Rubberz' became the first AI-generated song to chart on the Hot 100.

APPLE MUSIC

RUBBERZ

Fenix Flexin

VIDEO · APPLE MUSIC

ABC's

VIDEO · FROM APPLE MUSIC

About

MOODS · gritty · West Coast rap · mixtape era · reunion revival · unpredictable · genre-bending · synth-pop turn · controversial · cultural flashpoint · restless · defiant · street-rooted

BIOGRAPHY

Fenixomar "Fenix" Rypinski, born October 11, 1995, is an American rapper from Los Angeles known as Fenix Flexin. He co-founded Shoreline Mafia in 2016 with OhGeesy, Rob Vicious, and Master Kato, helping define the group's gritty West Coast sound through acclaimed mixtapes and their 2020 debut album, Mafia Bidness. After departing the group in 2020, he built a solo run beginning with the 2021 single "10 Toes" and a series of self-titled Fenix Flexin mixtapes. He later rejoined Shoreline Mafia, contributing to 2025's Back in Bidness, which charted on the Billboard 200. In 2026 his single "Rubberz," a synth-pop departure from his rap roots, drew scrutiny before it was confirmed to be generated using the Treblo AI platform, making it the first AI-generated song to chart on the Billboard Hot 100.

WHY THEY'RE COOL

Fenix Flexin's story runs two tracks at once: the raw, gritty West Coast rap he helped define with Shoreline Mafia, and a restless solo path that eventually detoured into 1980s-style synth-pop. That detour, "Rubberz," turned into one of 2026's stranger music stories when it was revealed to be AI-generated, making it a genuine milestone as the first AI-made song to chart on the Billboard Hot 100. Between mixtape grit, a group reunion, and a controversy that pushed questions of authorship into the mainstream, his catalog captures a real inflection point in how rap careers, and pop authenticity itself, are evolving.

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