Musca Fly (蠅座（ムスカ）のフライ, Musuka no Furai) is the traitorous, overweight Musca Silver Saint, who tries to steal Pegasus Kōga and Aquila Yuna's Clothstones, to be promoted within Mars' ranks. Fly can use the element of Wind.
Musca Fly is considered loyal to Mars. Fly has a personality that is very cowardly, as he tried to steal the Cloths of the Bronze Saints to get a promotion. He also has a lecherous side.
When Koga and Yuna venture into the Wind Ruins, they discover that Fly has been designated to protect this place by Hornet Sonia, daughter of the god Mars. Fly paralyzes them both out of action with his Virus Sand technique and tries to steal their Clothstines to offer them to Mars, hoping to get a promotion to a Gold Saint. But Koga and Yuna awaken and attack Fly. The Silver Saint uses his Fly Slider technique against Koga, who counterattacks with his own technique, Pegasus Ryūsei Ken, and defeats Fly.
In the version of Saint Seiya Omega, the design of the cloth made a radical change, which has been completely repudiated by fans, calling it the worst armor that has appeared in Saint Seiya. Musca Fly's Omega version cloth is more robust due to him being obese and also the cloth color changed to green.
- Sand Virus (サンドウイルス, Sando Uirusu): Fly breaths a cloud of dark gas toward his rival. When breathed in, the gas drains the victim of their life energy and paralyzes them.
- Fly Slide (フライスライダー, Furai Suraidā): An attack by Musca Fly which uses brute force and the wind element. Fly flies through the air, then starts to spin rapidly towards his enemy.
Musca (Latin for Fly) is a minor southern constellations. The constellation created by Pieter Keyser and Frederick Dirkszoon de Houtman between 1595 and 1597, and first appeared in the book by Johann Bayer Uranometria 1603. Muscae alpha, the main star Beta Cephei is a variable with a variation of brightness of 0.05 magnitudes with respect to magnitude half (2.69). Another object of interest in the constellation is Gliese 440, the fourth nearest white dwarf to the solar system, located 15 light years away. Musca contains the soft X-ray transient Nova muscae 1991, a binary system consisting of a star and a black hole. During the explosion of 1991, which led to his discovery, was detected positron annihilation radiation from.lol