K.J. Yossman Netflix has unveiled a first-look image (below) from upcoming animated feature “My Father’s Dragon,” which features Jacob Tremblay, Gaten Matarazzo and a host of bold-face names.Based on the book of the same name by Ruth Stiles Gannett, “My Father’s Dragon” tells the story of Elmer, a young boy who struggles to cope after moving to the city with his mother.