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Image used as concept design for Sebastian in the Van Buren design document
|The following is based on Van Buren and has not been confirmed by canon sources.|
With Dr. Sebastian, think of Dr.|Mengele, but more depraved. Dr. Sebastian is a little ghoul with grotesque features even other ghouls flinch at. However, his grotesque features perfectly match his twisted obsession with finding a repeatable and successful way to procreate ghouls. He savagely goes through human hosts like a butcher through a slaughter house, but with far more verve. He thoroughly enjoys poking, prodding, cutting, and generally making his victims feel as uncomfortable as possible.
Sebastian was once a prominent, upscale plastic surgeon in his "normal" days. When Willem Clark found him during his long trek, Dr. Sebastian was trying to graft a dead human’s smooth skin to his own as a means to at least look human. Willem eventually convinced Sebastian to embrace his ghoul-ness, and to look upon it as a step further into evolution. Sebastian bought into the teaching of the charismatic Willem Clark and followed him back to the Reservation. Many years later, after the ghouls discovered they could not procreate, Willem and Sebastian decided to find a way to remedy that. Through extensive research and experimentation, they concluded that the smoothskins would have to serve as catalysts of some sort for any ghoul procreation process. From then on, Dr. Sebastian made it his life’s mission to find a successful and repeatable way to procreate ghouls. Sebastian will stop at nothing to find a solution to the ghoul procreation dilemma, and he will go through every human until none remain, if that is what it takes. Of course, if there are no humans, then his experiments will cease - but his obsession overshadows this logic.
In addition, Dr. Sebastian is most proud of his last successful Born ghoul, Belle. She is disturbingly attractive to human eyes, and a complete knockout to the ghouls. In fact, Belle could almost pass for human on a dark night, or in a low light room. This attractiveness, coupled with her ghoul-like traits of radiation immunity and gifted abilities, is exactly the direction Dr. Sebastian wants to take the procreation experiments. There’s even hope in his rancid heart that Belle can conceive, though "relations" with other ghoul volunteers has proven fruitless. However, the non-ghoul Player, through certain conditions, can make this dream a reality.
Interactions with the player character
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Dr. Sebastian did not appear nor was mentioned in any of the published games, but was to appear in the cancelled Fallout 3 project by Black Isle Studios codenamed Van Buren. It is not certain if he will appear in any future Fallout game.