I was thinking about the parallel you made between Caligula and Trump (Trumpigula?), and it reminded of a story a HS teacher told my class about a Roman Senator Caligula considered an adversary. So he invites the Senator and his wife to dinner.
After a sumptuous feast with pleasantries and small talk be exchanged he nonchalantly asks the couple how their children are and after the couple nervously responds "Fine, fine, our children are well" Caligula asks "And how did they taste?"