Mustaches are a serious business. There's a lot to learn, and a lot to love.

Here's a brief rundown of the 10 main types:

1. Handlebar

2. Toothbrush (no, really, it's a thing)

3. Pencil

4. Chevron

5. Kaiser

6. Homburg

7. Dali

8. Toothbrush 2.0

9. Toque

10. Toothfuzzy