Sonic the Hedgehog was 10 years old when he was created. His age was changed during the release of Sonic Adventure to 15 as well as his character design.
His canon age: 15
Sega has gone on record that sonic has not gotten any older in universe. But his official age has actually gone down, he was 16 years old in a majority of the games starting from Sonic Adventure " It's best just to believe sonic is however old you think he is, Sega doesn't keep track of things like that.
Sonic is about 13 years old on Sonic Underground. On the Sonic Wiki it says Sonic is 17 years old.
The canonical age for Cream the Rabbit is 6 years old. The character first appeared in Sonic Advance 2 in 2002.Cream the Rabbit is a character from the "Sonic the Hedgehog" videogame, who acts as a sidekick to Amy Rose (much as Tails is to Sonic). So her attributed age can vary, but is always substantially younger than the other characters.
As Sonic Underground was made during the time of 2D Sonic games, his age was probably around 9 as that was his age at the time within the games.On Sonic wiki it says that he is 17 years old.
Sonic the hedgehog used to be 10 years old but they changed his age to either 15 or 16.
The games themselves don't usually tell us the age of the Sonic characters, however Sonic Jam has character profiles which list Sonic's age as around 15-16 years old. Usually though, it's the manuals that reveal ages, for instance the Sonic Heroes manual lists Sonic's age as 15.
He is 15 and its his 20th anniversary
Sonic the Hedgehog was 10 years old when he was created. His age was changed during the release of Sonic Adventure to 15 as well as his character design.
Since at the time of Sonic Underground's creation and the fact they are animated in the style of the old 2D Sonic games. It is safe to say that Sonic, Sonia and Manic's age is 10 as they are triplets and Sonic's age was not changed to 15 until his character was redesigned, so only his redesigned form, as the one we know now, is 15 years old.
Since he's a robot, he has no age
His canon age: 15
As of 2012 he is 21 years old (not his age but his over-all series)
I don't think think there's an age limit.
-Video GameSonic the Hedgehog was originally 10 years old. He stayed that age until the release of Sonic Adventure, where his age was changed to 15. It has remained that age ever since.-Comic SeriesSonic the Hedgehog is currently 16 in the comic book series.The first Sonic game, simply titled "Sonic the Hedgehog" was created in 1991, making the series itself about 20 years old. (2011)
Sega has gone on record that sonic has not gotten any older in universe. But his official age has actually gone down, he was 16 years old in a majority of the games starting from Sonic Adventure " It's best just to believe sonic is however old you think he is, Sega doesn't keep track of things like that.