Edward Koren, the New Yorker cartoonist who for six decades created a fantasy world of creatures that articulated the neuroses and banalities of middle-class America, died on April 14 at his home in Brookfield, VT. He was 87.

With Charles Addams, James Thurber and Saul Steinberg, Mr. Koren was one of the most popular cartoonists in The New Yorker’s pantheon of humorists.

In addition to his work for the magazine and some commercial clients, he illustrated about 25 books and wrote nine of them. He never retired, worked until the end, his wife said. For The New Yorker’s April 17 issue, he drew Moses on a mount overlooking his people and holding up a stone tablet of the Ten Commandments in Roman numerals while proclaiming, “Time for an update!”