Dean Allan DeBlois (/dəˈblwɑː/ də-BLWAH; born June 7, 1970) is a Canadian filmmaker and writer. He is best known for writing and directing the Oscar-nominated animated feature films Lilo & Stitch for Walt Disney Animation Studios (with Chris Sanders), the How to Train Your Dragon film trilogy for DreamWorks Animation (the first film also with Sanders), and directing the documentary Heima about the Icelandic band Sigur Rós.

KNOWN FOR

The Wild Robot
2024
Lilo & Stitch: The Series
2003
Lilo & Stitch
2025
How to Train Your Dragon
2025
Lilo & Stitch
2002
How to Train Your Dragon
2010
How to Train Your Dragon 2
2014
How to Train Your Dragon: The Hidden World
2019
Atlantis: The Lost Empire
2001
Lilo & Stitch 2: Stitch Has a Glitch
2005
The Boss Baby
2017
Nimona
2023

FILMOGRAPHY

All
Movies
TV
Acting
7
Directing
11
Writing
13
Producing
9
Camera
2
Crew
2
2025
Soaring to Life: The Making of How to Train Your Dragon
as Self
2025
How to Train Your Dragon
as Viking (uncredited)
2025
Epic Ride: The Story of Universal Theme Parks
as Himself
2016
Floyd Norman: An Animated Life
as Himself
2015
Where No One Goes: The Making of How to Train Your Dragon 2
as Himself
2010
How to Train Your Dragon: The Technical Artistry of Dragon
as Self
2004
The Story Room: The Making of 'Lilo & Stitch'
as Self