In-game
Little Nightmares II
The Doctor looking down while hanging between two shelves.
The Doctor with a Patient on an operating table.
The Doctor checking several Patients on their beds.
The Doctor chases Mono as he attempts to climb some drawers.
The Doctor searching the room after being alerted.
The Doctor appears to travel on the ceiling using this method.
The Doctor washing his hand.
The Doctor trying to save a Patient.
The Doctor chases Mono, as he dodges falling metal shelves.
The Doctor trying to crush Mono with hospital beds.
The Doctor searching for Mono inside a furnace before being trapped.
In-comic
Little Nightmares Comics
The Doctor stalking the girl with braids.
Drawings, Paintings, Photos, and Signs
The Doctors portrait, as seen in the Residence.
A photo of the Doctor performing a surgery in front of a crowd that can be found in the Hospital.
A photo of the Doctor.
A handful of drawings, some depicting the Doctor.
The Doctor on a sign.
Concept Art, Models and Photos
Early concept of the Doctor shows that his face would have been much more loose.
Concept Art of the Doctor crawling on a tower of hospital furniture.
Concept Art of the Doctor crawling down a pile.
More concepts for the Doctor, some involving him standing on two feet (which made it to the final version via a painting).
Concept where the Doctor was decapitated.
The Doctor model sheet. Author - The CreatorsEyes.
Posters and Promotional Images
Teaser showing the Doctor.
A teaser featuring the Doctor.
Icons
"First Do No Harm" achievement from Little Nightmares II.