If you've ever spent any amount of time on the social networking blogging site tumblr, you know that it is a place where sanity goes to die.  There's a LOT of stupidity and other things of an undesirable nature, but if you follow the right people, it's also a fountain of creativity and ingenuity.  Since it's kind of its own little corner of the internet, it tends to generate its own inside jokes, trends, and language quirks.  Oh, and most of those funny posts you see on facebook?  Yeah, those were stolen either from reddit or someone's tumblr blog.
Anyhoo, one of the finest tumblr traditions is making hundreds of absolutely ridiculous and intentionally poorly-made fandom or pop culture-related Valentines, usually involving poorly cropped pictures, bad puns, and comic sans.  Here are a few treasures from this year: