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Spencer Polanco Knight

American influencer

  • Audience2.6M
  • Fame69.6
  • Momentum10.0
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Source-basedStable
2.6M youtube followers
  • Audience2.6M
  • Fame69.6
  • Momentum10.0
  • Influencers rank#46
  • Wikipedia811
Born 1992 · age 34United States
United States flagUnited StatesInfluencersInfluencer

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  • Biggest on YouTube
    2.6M
    @@spencerx
  • Age
    34
    Born 1992
  • Awards
    1
    recognised work
Summary
Updated 2026-08-31

Spencer Polanco Knight, also known as Spencer X, is an American beatboxer and social media personality. Formerly a street performer, Knight gained popularity on TikTok in 2019 and has become one of the most-followed accounts on the app. He also voiced Sound Effects Smurf in the 2025 film Smurfs.

Latest

On YouTube

By the numbers

Score breakdown

The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Stable
69.6
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum10.0
Historical1.6
Source confidence25.0
Completeness79.0
Global rank
—
Country rank
—
Category rank
#46
Receipts

Sources

  • Spencer X
    wikipedia · en.wikipedia.org
    Low confidence
  • Wikidata
    wikidata · wikidata.org
    Low confidence