How old do wewe think are beloved hedgehog is, Sonic the hedgehog?!?!!Cause..what the hell do wewe think?(Lol)

Some say In the originL sonic series au just the sonic series he is normally 15, some say in video game series, he is 21, some say in all any au both sonic series he is 21 au 15.
So SON!!
Like I alisema in the swali , what the hell do wewe think?(Lol)