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who is the mastermind on big brother

On recent seasons of Big Brother US, “the Mastermind” is not a regular houseguest but a secret twist character whose identity was revealed at the end of Big Brother 27.

Quick Scoop: Who is the Mastermind on Big Brother?

  • In Big Brother 27 (US), the Mastermind was introduced as a mysterious villain figure who controlled surprise twists throughout the season.
  • For most of the game, houseguests and viewers were led to believe there was a single Mastermind running the chaos.
  • In the season finale, production dramatically unmasked the Mastermind and first pointed the finger at legendary winner Dr. Will Kirby, framing him in-show as the twist’s architect.
  • The storyline then flipped: it was revealed that Dr. Will was actually being framed, and that there were three real Masterminds behind the curtain.

So, who are the Masterminds?

By the end of Big Brother 27, the “Mastermind” title belonged to a trio of returning personalities from past seasons, working together off-camera as revenge-driven twist designers:

  • Eric Stein (Big Brother 8)
  • Jessie Godderz (Big Brother 10 & 11)
  • Frankie Grande (Big Brother 16)

These three were revealed as the actual Masterminds, with the narrative that they were getting payback for twists that had ruined their own chances in their original seasons.

Why people are confused online right now

Because Dr. Will Kirby is so associated with strategy and manipulation, a lot of viewers and forum posts casually say “Dr. Will is the Mastermind.”

But strictly within the show’s canon for BB27, he was used as a red herring, while Eric, Jessie, and Frankie were the ones officially credited as the Masterminds behind the season’s big twist arc.

Information gathered from public forums or data available on the internet and portrayed here.