The explosion of online crafting empowered by sites like Etsy has led to a lot of superhero-themed art projects over the years, but YouTube user Louie's Loops has taken the practice to a whole new level.

Already a repository for videos and patterns showing how to create mini crocheted characters from pop culture like the Flash, Iron Man and Link from The Legend of Zelda, the channel just launched a series of "Yarnimation" stop motion shorts featuring Batman, Robin and the Joker.

Check out the fan film and a video on the Joker's creation after the jump.