Community Assistant is a hard badge to earn but the hardest would depend on your interests. To be a Community Assistant, you must work for WikiAnswers (Real Job)
Otherwise, the Ruby Contributor badge is really hard to achieve.
The Medal of Honor
No.
"Dance with the devil" badge,because you have to ally with the Grox
you do not make them , you earn them.
Green Thumb.
This one
There is no badge titled "Flair Badge" but there were some badges made that could be considered flair. Check out the related links.
Earn the Exterminator Badge to be an exterminator.
No, there is no badge for 1,000 contributions. There is a badge for 500 contributions (Bronze) and the next one is for 5,000 contributions (Silver).
Yes, the WikiAnswers mentor badge design was slightly changed due to feedback from a contributor.
Any badge you earn on WikiAnswers will replace your contributor badge, as your new badges will show you are a contributor.
The easiest badge to get is the Contributor badge, which will automatically appear on your profile after you have made 1 contribution.