Like any good movie Igor, Marty Feldman's character is hunchbacked, which gives him a loopy gait.
Evil is the only man she will ever love.
The line about espresso was another improvised line that was not in the original script.
Frederick Frankenstein: Then you and Victor were...
Frederick Frankenstein: Are you speaking of the worm or the spaghetti? This exchange between Frankenstein and Igor is very simple wordplay, but it reveals how on-edge Frankenstein's character is in this spooky, ancestral setting.
Description: Young Frankenstein came out just ten months after Brooks' western sendup Blazing Saddles, and it shows a more fine-tuned approach -- perhaps fewerbut an overall atmosphere of absurdity that puts Young Frankenstein at or near the top of fan lists.