How old is Sonic?

Hey i'm new on the Sonic Wikia and I don't know…

Sonic Age Thing by Shipper-Ships on DeviantArt

How Old Is Sonic?

Twitter erupts in fury over leaked images of Sonic the Hedgehog that show him with tiny eyes

I guess they changed them so they can look older.

How Old Is Sonic and Other Characters?

More Sonic Old Designs Sonic, Sonic the hedgehog, Doom 3

The fact that Classic Sonic is older than Modern Sonic, isn't a problem anymore, since they're considered different people now : r/SonicTheHedgehog

How long is Sonic Frontiers?

Sonic the Hedgehog : 31 years later by FrancoisL-Artblog on DeviantArt

The original Sonic the Hedgehog cartoon is 20 years old – Sega Addicts