In this article, I discuss in detail how Erich Fromm’s categories can help de-scribe Trump’s character, or >temperament,< a word used to characterize a major flaw in Trump in the 2016 U.S. presidential campaign and his rule as President by the end of the first year. In >The Anatomy of Human Destructiveness< (1973), Fromm engages in a detailed analysis of the authoritarian character as sadistic, excessively narcissistic, malignantly aggressive, vengeably destructive, and necrophiliac, personality traits arguably applicable to Trump. In the following analysis, I will systematically deploy key Frommian socio-psychoanalytic categories to Trump and his followers to show how they can illuminate Trump and authoritarian populism.