This Thing is a monster that terrorizes Beast Boy while he's stuck inside Raven's painting.
It is most likely a Buer, a demon that appears in the 16th-century grimoire Pseudomonarchia Daemonum and its derivatives.
Physical Appearance[]
This Thing is a demon with a violet lion's head with a bright green mane, and five violet legs coming out in all directions behind it, resembling French painter Louis Le Breton's illustration from the Dictionnaire Infernal.
Episode Appearances[]
- "TV Knight 6" (debut)
Trivia[]
- The Pseudomonarchia Daemonum describes Buer as "the Great President of Hell", who teaches logic, natural and moral philosophy, and the virtues of all herbs and plants. He is also capable of healing all infirmities, especially of men.