how old is sonic?

TLDR: Sonic the Hedgehog is generally considered to be around 15 to 17 years old, a portrayal consistent across various games and media since his debut in 1991.

Sonic the Hedgehog, who first appeared in the game released on June 23, 1991, is typically depicted as a teenager, estimated to be around 15 to 17 years old. This age aligns with his youthful design and personality, which have remained consistent despite changes in his character over the years. In the 2006 game, Sonic's backstory was updated to suggest he was born on the same date as his debut, but this age has not been uniformly maintained across the franchise.

Across different media, including the "Sonic Boom" animated series, Sonic continues to be portrayed as a teenager, reinforcing his identity and energetic persona. Compared to other iconic characters like Mario, who is usually depicted as being in his mid-20s, Sonic's youthful age contributes significantly to his appeal and enduring popularity in the gaming world.