I would like to start by explaining about a large number of badges that have been retired. While I explain new badges I came up with, I would also like to attribute some of these retired badges.

Here they are:

Meteorite:

Virus (Retired): Share a program you've created via Facebook, Twitter, or email

Persistence (Retired): Answer a problem correctly after having some trouble with a few problems and sticking with the skill

Express Yourself (Retired): Customize your profile avatar and fill up your display case

Video Maker: Create 1 video

Moon:

Good Question (Retired): Ask a question that earns 10+ votes

Sticktoitiveness (Retired): Answer a problem correctly after having some trouble with many problems and sticking with the skill

Practice, Practice, Practice! : Achieve 100% mastery in 1 course - 100 points rewarded

Keep Learning: Achieve 100% mastery in 3 courses - 500 points rewarded

Your First Channel: Create 10 videos

Earth:

Great Question (Retired): Ask a question that earns 25+ votes

Incredible Question (Retired): Ask a question that earns 50+ votes

5 Times 10 to the 5th (Retired): Earn 500,000 energy points

Helen Keller (Retired): Earn 750,000 energy points

Incredible Persistence: Answer a problem correctly after having some trouble with a lot of problems and sticking with the skill

Practice Makes Progress: Achieve 100% mastery in 7 courses - 2700 points rewarded

Slow And Steady: Achieve 100% mastery in 13 courses - 15000 points rewarded

Storyboarding: Create 100 videos

Sun:

Millionaire (Retired): Earn 1,000,000 energy points

Da Vinci (Retired): Achieve mastery in 500 unique skills

Ramanujan (Retired): Earn 2,000,000 energy points

Einstein: Achieve mastery in 1,000 unique skills - 175000 points rewarded

Shakespeare: Achieve mastery in 2,500 unique skills - 180000 points rewarded

Wildfire (150 weeks): In just three years, you've ignited a huge wildfire of knowledge!

Strong Learner: Achieve 100% mastery in 24 courses: - 75000 points rewarded

Film Director: Create 1000 videos

Black Hole:

Athena (impossible?): Achieve mastery in 10,000 unique skills - 375000 points rewarded

Inundation (impossible?): Your desire to learn is stronger than a powerful inundation! For reaching level 150, you've conquered 11,175 skills!

Hades (possible?): Achieve 100% mastery in 60 courses - 350000 points rewarded

Zeus: Attained complete mastery in all skills to date (This is quite different from Herculean!)