Disembodied's Skull: Disembodied in malrats old FNaTi lore disembodied had a skull and is actually one of the staff members skull the person who wore the Goofy costume

Myster Mouse Reversed Lines: Myster mouse's voicelines most of the time is reversed there are unreversed lines of his voice that do exist but are rare myster mouse had a line where he would swear there was no reversed version of it

Willy Menu: Photo negative mickey was replaced by willy in 3.0 due to controversy from slimebeast the creator of the abandoned by disney creepypasta so willy appeared in the menu instead of PNM

Oswalds Arms Were Chopped Off: In malrats old FNaTi (how many times am'i going to mention malrat) Jake chopped off oswalds arms

Henry's Death: Henry was killed by mother and then stuffed into a suit in pirate caverns, he technically is now a spirit who wanted revenge on mother for killing him

Willy's Eyes: Same as the 2.0 menu jumpscare willy pops out his eyes in 3.0 and 2020 still doesnt have the amazing scare that it did in 2.0 tho

True Mickey inspiration: True mickey was photo negative mickey's true verison in Abandoned discovery island true mickey is basically 2.0 mickey with eyes popped out but a bit darker and brighter (i dont know what i meant by that)

NBD Logs: they appear when you start the night in NBD telling you about the story in night 5's log tho it glitches out because its the last night of course

Racist suit: i didnt really understand this one since i thought it talking about dark oswald in ''fnati 2.555 more'' but its called Impure mickey? he appears when you hold down shift when you die and gives horrible advice to you. Hes not racist in any way no voicelines that are racist its just a joke character

But now you know layer 3...