Birthed by a witch’s poor sense of humor and Casper’s self-hating lust Stefan is a Ntsuj-Engenabantu; a human created through inorganic means. Stefan was meant to be Casper's 'perfect lover', but what Casper didn't realize (or rather was unwilling to admit to himself) was that he really wanted was stability and safety. However, the ceremony that brought him into this world has a catch: should Casper ever feel a complete person (safe, secure, possessing the positive qualities that are so apparent in Stefan), at that point Stefan will die.  Outside of this conflict and his relationship with Casper, Stefan is mainly occupied by work.    

Stefan is a very “live in the present” kind of person who dislikes any focus on the past or future. This due in part to his nature; Stefan is a relaxed and composed individual and almost always in a good mood. His calm demeanor and rational thinking also make him an excellent mediator. However, his reluctance to dwell on past events or possible futures also comes down to his core struggle. Having been created only a few years prior he has few memories to call on, while knowing his future depends entirely on another’s emotional needs makes long-term planning futile.