Rosie

Rosie is the baby daughter of Sonic the Hedgehog and Amy Rose and the younger sister of Sonic Jr. When she was first born Jr noticed his parents were paying more attention to her than to him and then decided to run away to live with Uncle Chuck. So he secretly got onboard Tex the Hedgehog's train. Tex did find him but he then went off to Uncle Chuck. Uncle Chuck then told Jr that his parents did love him and then Jr decided to go back to his family.

By the time she reaches age 6, Sarah will teach her to be a cheerleader like her.

Trivia

 * Rosie is also the name given to Amy in ETTE. However Amy having the name "Rosie" in ETTE was actually named after Kensingtongirl1 on YouTube while Roise in Sonic DA was given her name after Amy's Nickname "Rosy the Rascal'