Maria

Name:Maria Robotnik
Nickname:Maria
Age:12 (Died 50 year ago)
Species:Human

First Game:Sonic Adventure 2 (Dreamcast)

Maria Robotnik is Eggman's cousin. 50 years ago she lived on Space Colony ARK and was Shadow's one and only friend.
She died saveing Shadow when the ark was shut-down. Shadow promised to give all the people on the planet a chance to be happy, even though he didn't remember this for a while.