A blue, fast alien hedgehog that lives with the humans Thomas, aka Tom, and Maddie. Sonic sometimes calls the both of them "mom" and "dad". He shares his room with Miles "Tails" Prower and Knuckles the Echidna, who are also aliens. Tails is a yellow two-tailed fox who is super smart and Knuckles is a red echidna who is super strong. They all live together as a family. Sonics favorite food is chili dogs. They recently met Shadow, a black alien hedgehog that had just sacrificed himself.