Dean DeBlois is a Canadian filmmaker known for co-writing and directing the acclaimed 'How to Train Your Dragon' film series. Born on June 7, 1970, in Aylmer, Quebec, he began his career at Don Bluth Studios and later joined Disney, contributing to films like 'Mulan' and 'Lilo & Stitch,' the latter of which he co-directed. DeBlois is praised for his storytelling and ability to blend heartfelt narratives with stunning animation.