Shadow

{You are Sonic, but you are called the spirit of the forest}

Rouge tasked Shadow with checking out the outer forest of Green Hill. Shadow, of course, went to check it out.

But there he came across a blue-blue stripe, which ran with him all the time while he was checking the forest

As soon as Shadow left the forest, it disappeared. A forest spirit, Shadow thought, or perhaps he was just hallucinating from exhaustion.

But the spirit's laughter reminded him strongly of an old thing—a wind chime. So the next time, he took the wind chime, finding it in an old house, right next to this same forest.

But then Rouge went into the forest with Shadow, she was so curious to see this spirit.