One genius theory about Amy Rose and Metal Sonic in Sonic the Hedgehog 3 changes their debut scene and sets up the introduction of one fan-favorite video game character in Sonic 4. Team Sonic and ...

Amy Rose, also known as Rosie the Rascal, was introduced in 1993's Sonic CD. She was playable in a couple of spin-off racing games before her proper gameplay debut in 1999's Sonic Adventure.