| Harpo |
| Groucho. |
| Chico, e.g. |
| Go West" name |
| Chico or Karl |
| Harpo or Karl |
| Karl or Chico |
| Karl or Harpo |
| Karl or Zeppo |
| Manifesto man |
| Chico or Harpo |
| Communist icon |
| Gummo or Zeppo |
| Harpo or Chico |
| Zeppo or Chico |
| Gummo, for one |
| Harpo, for one |
| Zeppo, for one |
| Chico or Zeppo. |
| Karl or Groucho |
| Richard or Karl |
| Engels associate |
| Groucho or Chico |
| Groucho or Karl? |
| Manifesto" writer |
| Chico's last name |
| Groucho's surname |
| Karl of communism |
| Out-of-favor icon |
| Socialism founder |
| Das Kapital author |
| Famous film family |
| Memorable brothers |
| Pop singer Richard |
| ''Duck Soup'' name |
| Engels's associate |
| German philosopher |
| Das Kapital" writer |
| The Big Store" name |
| Famous comedy team. |
| Last name in comedy |
| Engels collaborator |
| Comedy's __ Brothers |
| Comedic actor Groucho |
| Family name in comedy |
| German socialist Karl |
| Karl with a manifesto |
| ''Duck Soup'' surname |
| Funny Groucho or Harpo |
| Karl, Richard or Harpo |
| You Bet Your Life" host |
| Duck Soup" marquee name |
| Harpo, Zeppo or Groucho |
| Titan of anticapitalism |
| Animal Crackers" surname |
| Collaborator with Engels |
| Harpo, Groucho, or Chico |
| Writer on class struggle |
| Big critic of capitalism |
| Animal Crackers" brothers |
| Class-action philosopher? |
| German political theorist |
| Prussian-born philosopher |
| A Night at the Opera" name |
| Noted critic of capitalism |
| Horse Feathers" family name |
| Brothers seen in "Duck Soup |
| Fraternal surname of comedy |
| Influence on Castro and Mao |
| Surname of comedic brothers |
| Time wounds all heels" comic |
| 1950s-'60s TV quiz show host |
| A Night at the Opera" surname |
| Any of five O-ending brothers |
| Big name in economics history |
| Die Deutsche Ideologie" writer |
| Any brother in "Animal Crackers |
| Star of A Night at the Opera |
| Big name in communism and comedy |
| Proponent of a classless society |
| The Communist Manifesto" coauthor |
| Surname of four "Duck Soup" stars |
| The Poverty of Philosophy" author |
| Right Here Waiting" rocker Richard |
| Surname of four stars in "Duck Soup |
| Any of the "Animal Crackers" brothers |
| The Poverty of Philosophy" philosopher |
| Philosopher who gave his name to an -ism |
| Surname of four "Animal Crackers" actors |
| Karl who cowrote "The Communist Manifesto |
| Democracy is the road to socialism" writer |
| Karl who philosophized about class struggle |
| Revolutionary expelled from Prussia in 1849 |
| Noted communist buried in Highgate Cemetery |
| Dictatorship of the proletariat" philosopher |
| Who said religion "is the opium of the people |
| His epitaph begins "Workers of all lands unite |
| Chico, Groucho, Gummo, Harpo, or Zeppo of comedy |
| Richard with the 1989 #1 hit "Right Here Waiting |
| Revolutions are the locomotives of history" sayer |
| Groucho, Harpo, Chico, Zeppo and Gummo, but not Karl |
| Last name of Groucho, Chico, Harpo, Gummo, and Zeppo |
| Who said "Revolutions are the locomotives of history |
| Time flies like an arrow. Fruit flies like a banana" speaker |
| He claimed the Greeks were offside, in a Monty Python sketch |
| Anyone who says he can see through women is missing a lot" quipster |
| Who said "History repeats itself, first as tragedy, second as farce |
| I have had a perfectly wonderful evening, but this wasn't it" speaker |
| Those are my principles. If you don't like them I have others" speaker |
| The rich will do anything for the poor but get off their backs" theorist |
| Who said history repeats itself "the first time as tragedy, the second time as farce |