ontology: a branch of philosophy that deals with the nature of existence (OUP) Ontologically Anxious Organism is nervous about the notion of character. He feels the other members of his comic family trying to rise up inside him and use him as an exit. So he disguised himself as a boulder... Camouflaged yet constrained, Ontologically Anxious Organism shifts between a series of reconstituted cartoon backgrounds, as he grapples with existence.