To offer some context for non-Sonic fans, in Sonic Adventure 2, it's implied that Maria, Eggman's cousin (stay with me here) died after sending Shadow (her best friend) down to earth.

Sonic, Tails, Amy Rose, and Knuckles run into some trouble when Doctor Eggman gets grabby with the Paradox Prism in this exclusive new clip. Sonic Prime is an animated adventure for kids, families ...

Once again, it is up to Sonic and his friends to save the world from the evil Dr. Eggman and his plans for world domination. Sonic Adventure DX builds on the original game with enhanced graphics ...

It introduces a fascinating concept where players control six beloved characters – Sonic, Tails, Knuckles, Amy Rose, Cream, and Rouge – in a battle against the notorious Dr. Eggman.