Here are Laplace's Demon, Maxwell's Demon, Loschmidt's Demon, Szilard's Demon, and Descartes' Demon.
Laplace's Demon is an entity capable of knowing the past and future perfectly through the position and momentum of particles. I represented this using a clock and particles.
Maxwell's Demon is an entity that creates a temperature difference on its own by separating high-temperature and low-temperature regions without external energy, thereby decreasing entropy. I represented this through a door and hands manipulating particles.
Loschmidt's Demon is an entity that reverses entropy by flipping the motion of all particles in the opposite direction. I represented this through broken machinery and particles exerting opposing forces on each other.
Szilard's Demon is an entity concerned with entropy and information regarding the position of molecules. I represented this using computers and wires.
Descartes' Demon is an entity that deceives all our trusted sensory experiences and knowledge, serving as the original inspiration for the "brain in a vat" concept.