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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Duck Soup brother 5 letters:

HARPO: Duck Soup brother
HARPO: Silent brother in "Duck Soup"
MARX: Any "Duck Soup" brother
MARX: Brothers seen in "Duck Soup"
ZEPPOMARX: Brother who left the team after "Duck Soup"
ZANIEST: Like "Duck Soup," it's said, among all Marx Brothers films