Custom Sonic (the Hedgehog) CD Logo for your personal use in whatever you may want, it's a combinated logo made from different logos from Sonic the Hedgehog (1991) and Sonic CD (1993), to have more consistency in between the rest of the mainline Classic Sonic games (1, 2, 3K) considering it's part of the mainline canon since Sonic Adventure, and it's place in the mainline story has been finally decided in the Sonic Origins compilation, until now.