I know there are characters that aren't necessarily scary like Warden or Baldi, but they're worth mentioning.
who are present in the drawing:
*Sonic.EXE
*Baldi
*Zee tee
*Warden
*Freddy
*Uncanny Mr.Incredible
*Red Mist Squidward
*Slenderman
*Huggy Wuggy
*Trollge
*Eversion eye