Spencer X

Spencer X's real name is Spencer Polanco Knight. He adopted the stage name Spencer X early in his online career and it remains the handle across all of his major social platforms.

Spencer X is from New York City, United States. His New York roots have been a consistent part of his public identity and on-camera persona.

Spencer X is best known as a professional beatboxer who built one of the largest music-creator followings on TikTok. His short-form videos showcase rapid vocal percussion routines that have driven consistent viral reach since the early days of the platform.

As of mid-2026, Spencer X has approximately 54 million followers on TikTok, placing him firmly in the Mega tier. His total cross-platform following, including YouTube and Instagram, sits above 59 million.

Doritos is Spencer X's most publicly documented brand partner, with sponsored content running on Instagram in September 2021. His brand history suggests comfort in the food-and-snack vertical, though his audience profile is broad enough to support consumer and entertainment deals.

Spencer X posts a 4.4% engagement rate on TikTok, nearly three times the 1.5% median for the music category. His Instagram and YouTube channels also outperform typical benchmarks at 4.9% and 6.2% respectively.

Yes. Spencer X's YouTube channel has over four million subscribers and was the fastest-growing of his platforms over the 30-day window ending mid-2026, recording 1.4% growth. He uses the channel for longer beatbox performances and behind-the-scenes content.

Spencer X is widely regarded as one of the most recognisable beatboxers in digital media, though formal world-championship rankings involve a separate competitive circuit. His social reach and consistent viral performance have made him the most-followed beatboxer on TikTok by a significant margin.

Spencer X primarily posts short beatbox performance videos, often incorporating trending sounds, pop-culture references, and challenges to maximise shareability. He occasionally collaborates with other musicians and creators, blending beatboxing with broader entertainment formats.

Spencer X remains active across TikTok, Instagram, and YouTube as of mid-2026. His YouTube channel is on a positive growth trajectory, though TikTok growth is currently flat, a pattern common to Mega-tier creators whose followings have largely saturated the core discoverable audience.