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Thunderbirds Wiki
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Mr. Hackenbacker, better known by his preferred alias of "Brains", is a character from the live-action Thunderbirds released in 2004. He has a son called Fermat and he is the designer and creator of all of the Thunderbird craft.

Brains 2004 movie.jpg


  • He was the first International Rescue victim to be mind controlled by the Hood.
  • He has the same stutter as the original Brains. At a crucial moment in the film he dropped the stutter and yelled "damn it Jeff, wake up!". He resumed his stutter afterwards.
  • His wife and Fermat's mother is never seen or mentioned in the film.