#PennedPossibilities Is your antagonist/villain one to be loyal in relationships, or are they likely to quickly move from one bond to another?
(Talking about a work-in-progress): he's an SFnal remix of an actual no-shit real person, Ignaz Trebitsch-Lincoln: https://rationalwiki.org/wiki/Ignaz_Trebitsch_Lincoln
(Rationalwiki's entry is more entertaining than wikipedia's, and is quite accurate.)
I had difficulty making him plausible in a space opera! Because like many other narcissistic psychopaths he was larger than life.