Have some references.
These are all pretty low quality, but sadly, it’s the highest quality these babies have ever been released with. I’d take the Sonic out of the bottom picture, but it’s baked in and really, considering he’s a major character it was best for me to leave it there.
All of the ‘solo’ charts are from the Sonic Stampii card collection. Bottom one of all four together was slapped together by me in Photoshop.