The Chimera is a viewer character that appears in the two-part series of 'The Saturday Delivery'. They used to be a patient at Arkham.
The Chimera, dubbed as such by one of the workers who checked up on them, is a roughly human-like creature. However, they have numerous odd features, such as spider eyes on their forehead, their spine being replaced with a wooden one, wings, a tail, horns, mandibles and a lack of a heart. Described as looking like "A hippopotamus had mated with an eagle, and then had a tryst with a snake, a spider and a bat".
The Chimera is quiet and almost motionless at all times.