(I'll comment on each of these in order.)
1. Not gonna lie, when I first saw this one, I thought the tall shadowy character was a stylization of the Boiled One. I dig their sinister expression, although it's kinda they're looking away from the *local rat muncher* they're carrying.
2. I must say, Golden Sonic's stare is well drawn! Feels like one of the best general Sonic drawings you've made so far, in regards to recreating how he looks.
3. AHHHHH IT'S MY GAL SHUFFLE- *explodes in excitement.* The joy I feel seeing fanart of my silly vampire OC cannot be understated (lol, XD)