"Jack the Killer blithely striding the stage"

Jack the Giant Killer is a English fairytale, telling the story of a young boy from Cornwall who made a name for himself killing giants. The tale is especially notable for the following words, spoken by of one of the giants he successfully defeats:

Fee, fi, fo,fum!

I smell the blood of an Englisman!

Be he alive or be he dead,

I'll grind his bones to make me bread!

At the end of the story, aided by an invisible coat and a magic cap and shoes, he slays the giant, Galligantau and, in doing so, breaks the spell he has weaved over the townsfolk. When King Arthur finds out about Jack's heroics, he gives her his daughter and they, naturally, live happily ever after. Read the full story here.

The well-known pantomime, Jack and the Beanstalk, has its origins in this tale and Jack the Giant Killer has also been adapted into two films, one in 1962 and one planned for 2012 release. A comic version of Jack and the Beanstalk was also released featuring Abbott and Costello.