Groucho Marx: Behind The Mustache

Comedian Grouch Marx with his trademark mustache. Source: (Photo by Ralph Crane, The LIFE Images Collection via Getty Images/Getty Images)

Of the five Marx Brothers, Groucho Marx may be the most iconic, and for good reason. Groucho was one of the greatest comedians of the modern era and one of the most recognizable. The prolific entertainer appeared on stage, in vaudeville, in films, on television, and on the radio. Behind that greasepaint mustache and exaggerated eyebrows, however, was a complex person. Here's what you didn’t know about Groucho Marx.