Actually, none of the characters you mentioned are in Sonic X. Well, except for sonic, of course. The cast is most of the characters in the games as well as a few new human guys.
~Elprup9~
Sonia is the sister of Sonic and Manic is the brother of Sonic. Notice how the SO in Sonia and the NIC in Manic make SONIC.
Manic is sonic's brother & Sonia is sonic's sister
manic then sonic then sonia
Manic and Sonia are Sonic's brother and sister in Sonic Underground only.
sonic sonia manic dr.robotnik sleet dingo knuckles rouge omega shadow
yes, in sonic underground his brother and sister names are manic and sonia
No, at least not in the games. In the cartoon Sonic Underground (which is not canon), he had a brother, Manic the Hedgehog, and a sister, Sonia the Hedgehog.
Yes Sonic and Sally have kids. Their kid's names are Sonia and Manic afterSonic's brother and sister. in Archies comic 30 years later after Robotnik's evil and cruel war with the Freedom Fighters and Knothole. During those 5 years of peace Sonia and Manic was born. Sonia and Manic are Twins and they both have Sonic's speed. Manic has blue eyes like his mother and Sonia has green eyes like her father. The kids are both bright,smart, and clever. Their babysiter is Lara-su (a.k.a Knuckles and Julie-su's daughter).
sonia is sonic's sister in sonic underground you will find out about that and manic the hedgehog is sonic's brother
In Sonic underground they are
no shadow does not play an instrument only in sonic underground is when sonic Sonia and manic play music only sonic, Sonia, and manic knows how to play an instrument sonic plays the guitar, Sonia plays the piano and manic plays the drums but you can always make a fan fiction that shadow knows how to play and is in like a band only in sprite videos show that shadow plays a guitar other than that he does not play a instrument if you want to see him play you should look at SSS show in the trip to Canada does shadow , sonic, and silver play an instrument they make up a band that is also named sonic underground {cause in that sprite video the original sonic underground did not exist}
Sonic's brother is "Manic" and his sister is "Sonia."