Ducks get all the credit. That Fake Mirror routine in Duck Soup (Marx Brothers) was inspired by US. The movie should have been called
Loon Soup!!
Comments about the 1933 film Duck Soup and the fake mirror gag
Or maybe another caption with a similar theme:
Those tourists have cameras, shall do the fake mirror routine like Lucy and Harpo Marx did on the I Love Lucy Show?

OK, I tried.....