It is depicted as a black crow from game Love And Deepspace. It is actually a mechanism, which is why it has red eyes and wings with red inserts. Bird is Sylus (Love And Deepspace) observation tool, thanks to which he can observe various objects. In some cases, it can be depicted as a white crow with red eyes. Also in the game is a bird-like toy named Grumpy Crow, which is often depicted as a chibi version of Mephisto.
