Yuletide is an annual fanfic exchange that tends to concentrate on rare fandoms.
I know that fanfic is not looked upon favorably by everyone.
But this? This is brilliant.
The pairing?
The Old Spice Guy (from the commercials)/Beowulf
Written in verse.
Fair warning: Poke around the rest of the archive at your own risk. You will run into Rule 34, as well as lots of NSFW, NC-17 material. You have been warned.