“There are no shadows here that would be of use to you. Not even the ground beneath your feet is yours. There are no places you can hide. Not from me.”— Harley Sawyer, Poppy Playtime Chapter 4: Safe Haven

Dr. Harley Sawyer, commonly known as The Doctor, is a secondary antagonist of Poppy Playtime, serving as the main antagonist of its namesake's fourth installment, Chapter 4: Safe Haven. He was the Head of Special Projects at Playtime Co. and originator of the Bigger Bodies Initiative, before being betrayed by Leith Pierre and later surviving The Hour of Joy, allying himself with Experiment 1006, The Prototype after the fact. He first debuted in VHS #1 in PROJECT: PLAYTIME and appeared again in Chapter 3: Deep Sleep.