Octocat isn't just GitHub's logo or a mascot — it's an inside joke shared with 28 million software developers.

As you might imagine, the GitHub community remakes the logo on a regular basis: there are hundreds of iterations, including a Homer Simpson version, a Shepard Fairey version, and–predictably–a ...

GitHub is a platform over 100 million developers use to build software. It's a subsidiary of Microsoft, and has both free and paid versions.