Topher Brink is the nerd behind Dollhouse. He's the guy that came up with the technology enabling this system to run the way that it does.
In his official biography, Brink is described as a genius programmer that is articulate, attractive and blithely amoral.
Topher: This is Terry Carens' brain. See these dark areas- how they extend all the way out to here- you know why that looks like that? That's because Terry Carens doesn't use that part of his brain. And that'd be where you find stored such things as empathy, compassion, an aversion to disembowling puppies.