Olivia de Havilland | Green Goblin | de Havilland Canada DHC-6 Twin Otter | De Havilland Mosquito | de Havilland Vampire | de Havilland Mosquito | Goblin | De Havilland Canada DHC-6 Twin Otter | de Havilland | de Havilland Comet | De Havilland Vampire | De Havilland Tiger Moth | de Havilland Tiger Moth | De Havilland Canada DHC-4 Caribou | de Havilland Canada | De Havilland | The Princess and the Goblin (film) | The Princess and the Goblin | Goblin Market | Goblin (band) | Orange Goblin | goblin | :de Havilland Venom | :de Havilland Vampire | De Havilland Puss Moth | de Havilland Gipsy Six | De Havilland Comet | de Havilland Canada DHC-4 Caribou | De Havilland Canada DHC-3 Otter | de Havilland Canada Dash 7 |
Halford also later designed the de Havilland Gipsy aero engine, designed the first turbo charged racing car engine, the Halford Special and one of the first jet engines, the Halford H.1 later developed by de Havilland as the de Havilland Goblin.