try and find out what the black thing is (not trying to be racist)

The black writing says 'Cassidy.' It's honestly not that hard to find out, but whoever doesn't actually know FNaF that well probably has no idea who 'The One You Shouldn't Have Killed' is. But I'm guessing it's Cassidy.

https://www.google.com/url?sa=i&url=https%3A%2F%2Faminoapps.com%2Fc%2Ffnaf%2Fpage%2Fblog%2Fthe-one-you-should-not-have-killed%2Fewwl_vzS3ubjBKQe3WBWEEmEppKJGLe66o&psig=AOvVaw1vZ87JKsMmiOhODGwWV6hT&ust=1635690154205000&source=images&cd=vfe&ved=2ahUKEwjggo3mqvLzAhUgD1kFHQPdDaAQjRx6BAgAEAk