Silk is a fictional American superhero, appearing in American comic books published by Marvel Comics. Silk is the alias of Cindy Moon. During a demonstration on the use of radioactive rays at a science exhibit, a spider is accidentally exposed to large amounts of radiation. In its dying moments, the arachnid bites Peter Parker. As a result, the young teenager gains amazing powers and becomes Spider-Man. However, this is not the end. Mere moments after biting Parker, the spider bites another young student named Cindy Moon.