He wore horn-rimmed glasses, a large moustache, and smoked a cigar, in films like A Night at the Opera and Duck Soup.
A character played by this actor is fooled into thinking he's looking at a mirror because Pinky imitates his every move. This actor is told, "There ain't no sanity clause!" in a film where he lets 15 people into a tiny cruise ship stateroom. He quipped, "One morning I shot an elephant in my pyjamas" in a film where he played explorer Captain Spaulding. This actor portrayed the incompetent ruler of Freedonia, Rufus T. (*) Firefly. He wore horn-rimmed glasses, a large moustache, and smoked a cigar, in films like A Night at the Opera and Duck Soup. For 10 points, name this comedian, who performed in movies with brothers Chico and Harpo.
A character played by this actor is fooled into thinking he's looking at a mirror because Pinky imitates his every move.
Groucho Marx [prompt on Marx; prompt on Marx Brothers]