Dengu has taken different shapes and contained different characteristics according to the change of the times since it began to appear as mystified and imaginary figure with the form of a bird that flies using its wings. Such an image of Dengu was more concretely systematized in Gonjaku Monogatarishu, published during the Heian period. In the Middle Age of Japan, Dengu takes the form of a long and red nose pilgrim of the religious sect Shugendo. Despite the evolution of the forms, it has one same pattern: it always flies using wings. Dengu refer to “monsters in the shape of a dog flying in the sky” that have been transformed from “winged lions.” Winged lions originated from West Asia have metamorphosed into different forms over the centuries such as those protecting tombs in Korea and China. Chinese stone lions exercised enormous effects on Korean stone lions and Japanese Gomainu. This study has examined that the form of Dengu is considered to have been created under the influence of the stone lions of China and Korea.