(I know it`s a bit late)
Madness Nightmare Sprites:
https://www.newgrounds.com/dump/item/8b6cded92fc0838d9cc83d13974b1fa6
Doctor Sprites:
https://www.newgrounds.com/dump/item/476f0a3981336418f2f9e9eee9ff3dae
Artists: EnexFLED, MISS, Chen.CMR
Doctor by me
(Feel free to use)