On the game sonic.exe scratch editiopn revivan on top of the part where the first dead badnick apears, all the way up there, there is this...

What Knuckles, how are you climbing the other way?

I found this on the top left of Green Hill of Sonic.exe One More Time Repixeled

Oh...there you are...

Who is him....

Now. On PlayStation 5 lol. (Sonic.OMT by @MrPixelGames )

Chiaki Nanami!

Rockin the Guitar, an Axe like Guitar I made for my Uni project

"Day to Day" (also check spud out here he's a great guy and writer: https://soundcloud.com/spudward)

Levels' maps.