I think it was said to be the mini boss for studiopolis based on another image where knuckles is running away
http://media1.gameinformer.com/imagefeed/screenshots/SonicMania/Sonic_Mania_Studiopolis_Gunner.jpg
Either way i'm so hyped for mania and intrigued to see what sonic 'Project 17' brings to the table
http://media1.gameinformer.com/imagefeed/screenshots/SonicMania/Sonic_Mania_Studiopolis_Gunner.jpg
Either way i'm so hyped for mania and intrigued to see what sonic 'Project 17' brings to the table