Filbus is humanoid creature with black torso, beige head and hands, chair-like legs, and little black cylinder hat on top of it’s head. There is a number of people that media depicting Filbus, have felt the overwhelming compulsion to practice "Filbism".
Filbism involves the practice of constructing and consuming chairs, as a way to honor "Filbus' Great Sacrifice". These are spread on obscure forums, which discuss the topics of chair building, properly digesting chairs, and praising Filbus