No. Silver comes from the future of Sonic's world. However, many people believe that Silver is Sonic's "son" (so to say) 200 years in the future.
If not Sonic's son, then Shadow's due to the "chest hair" and the fact that in the game "Sonic and the Black Knight" Shadow roleplays as Lancelot while Silver roleplays as Galahad. According to Arthurian legends, Galahad is the son of Lancelot so a lot of fans seem to take advantage of this one fact.
Yes
No, Sonic and Silver are not brothers.
no they are not brothers because silver and sonic met in rivals because 06 never happened and silver does not have a brother or a sister. silver thought sonic was the iblis trigger thanks to mephlies lied to silver and blaze and mephlies killed sonic. then sonic came back to life.
no
super silver and o'aggman is not in sonic smash bros
No.
No theyre not brothers. They dont even look all that much alike. Sonic & Shadow could be related though
Yes. Silver has Sonic, Shadow, and Amy.
yes they are No not at all shadow was created sonic is a regular hedgehog and silver is from the future so no
They're not brothers.
the black and blue are very closet with the whit (silver) and i think sonic and shadow and silver are brothers
No they are not. Silver came from the future to find the Iblis Trigger.
Sonic do has three brothers; Knuckles,Shadow but the third I dont know he is a grey colour but not silver since hes from the future.