Take Bleach, loads of explosions, and a dash of MLP, and you get this story! Chronicling the adventures of a cosplayer turned character, mainly focusing on the main character, with the ponies trying to stop him from destroying the world by accident.
A crossover with Halo. The Forward Unto Dawn crash-lands in Equestria more or less intact. The Master Chief and Cortana are then dead set on finding something on this strange planet that will help get them home.
A new pony wanders into town, with stories of his travels. All of the ponies are fascinated by his tales, and find him to be one of the happiest most easy-going ponies they've met. But one pony suspects there is more to him than what he shows.