T.J. Miller is the voice actor of Tuffnut Thorston in How to Train Your Dragon, How to Train Your Dragon 2, DreamWorks Dragons: The Series, and Dragons: Race to the Edge.[1]


This section requires expansion.

T.J. Miller is a comedian who voices Tuffnut. He brings depth to Tuffnut which would not have otherwise existed and brings new layers of comedy to a wonderful DreamWorks production. Although the character's ears and hair are no indication of the man himself, T.J.'s voice stands out distinctly with his improvisation skills and meta-style comedy.

Selected Filmography

Year Title Role(s) Type of Media
2005 Gulliver's Travels Dan Quint Feature film
2008 Cloverfield Hudson "Hud" Platt
2010 Yogi Bear Ranger Jones
2012 Seeking a Friend for the End of the World Darcy Television series
2012 21 Jump Street Schmidt Feature film
2013 High School USA! Brad Slovee Television series
2014 Transformers: Age of Extinction Lucas Flannery Feature film
Big Hero 6 Fred
2016 Deadpool Weasel
2012–2016 Gravity Falls Robbie Valentino Television series
Additional voices
2014–2017 Silicon Valley Erlich Bachman
2017 The Emoji Movie Gene Feature film
2018 Ready Player One i-R0k
Deadpool 2 Weasel

DreamWorks Dragons Filmography

Year Title Role(s) Type of Media
2010 How to Train Your Dragon Tuffnut Thorston Feature film
Legend of the Boneknapper Dragon Short film
2011 Book of Dragons
Gift of the Night Fury
2013–2014 DreamWorks Dragons: The Series Television series
2014 How to Train Your Dragon 2 Feature film
Dawn of the Dragon Racers Short film
2015–2018 Dragons: Race to the Edge Television series
Gruffnut Thorston


  • In 2018, T.J. was arrested for reporting in a fake bomb threat.
    • He was released on a $100,000 bond.
  • On January 2, 2019, it was confirmed that T.J. was replaced by Justin Rupple as the voice of Tuffnut Thorston.[2]


  1. Raymundo, Neil. (Date Published - March 3, 2012). DreamWorks Dragons: The Series • ToonBarnToonBarn. ToonBarn.
  2. Solzman, Danielle. (Date Published - January 2, 2019). Justin Rupple joins How to Train Your Dragon: The Hidden World cast. solzyatthemovie.

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