Take Hitler and stick him on the funny page

Meaning of the title His Girl Friday:

In Daniel DeFoe's novel, Robinson Crusoe, when Crusoe is shipwrecked on an island he discovers that someone else is there too, a native whom he comes to call "Friday," who becomes Crusoe's valued helper. That's where the phrase "Man Friday" comes from -- to describe an invaluable male assistant. "Girl Friday" is an extension of the term to a female.