These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Fridge Horror - If you even think about sticking a few select gears from the franchise continuity into the machine behind Sap, you will quickly wish you hadn't. For instance, in Sap's continuity, Amy is paired with Knuckles. There is a very good reason for this.
Mary Sue - Selly. She's the one who saves everyone's bacon more times than Sonic - or any other character for that matter - between her entrance and her exit...
Rescues Knuckles twice in a row.
Saves Horus from Knuckles 'n' Nate.
Destroys the giant robot attacking them in Nate's fortress.