This is a very goofy idea as there are reasons for badges too be retired, I am with AD baker this time.

1. Közösség
2. Content Requests and Feedback
3. New badge ideas to inspire users to flag innapropriate content.

Just make it so u can add accessories that you could add to earned avatars! 

1. Közösség
2. General Khan Academy Questions
3. Custom Avatars