Is silver the hedgehog an enemy of sonic

Yes he is silver gets tricked by mephilis and silver thinks that sonic is the Iblis trigger but like all sonic games the problem gets resolved At the beginning of the game, Silver is Sonics enemy. But from the middle of the game to the end, they become allies as well as friends. Mephiles tricked Silver into thinking that Sonic was the Iblis trigger, but Silver later realises that it was all an elaborate hoax and teams up with Sonic and Shadow to defeat Eggman, Mephiles, and Iblis in order to save Princess Elise.