Filmmaker Charlie Kaufman is quite the character, beyond writing modern surrealist classics like “Being John Malkovich,” “Eternal Sunshine of the Spotless Mind,” “Adaptation” and writing and directing some of his own strange postmodern features like “Synecdoche, New York” and the stop-motion film “Anomalisa.” Kaufman has been doing the press rounds quite a bit this summer, promoting not only his upcoming Netflix movie “I’m Thinking of Ending Things,” but also his new book “Antkind.” And a