Meet Mark, someone born with the gift of infinite itching. His superpower is to make anypony around him, really, really itchy. It's kind of embarrassing really.

A human with an underwhelming superpower? Suuuuuuuuuuuuure why not?

You can tell I have no idea what I'm doing, right?

Contrary to the misleading cover art, Pinkie doesn't feature in this story.