1. has a number in their name.
2. participated in last season.
3. popular avatar.
4. short name.
5. name is a song title.
6. mess.
7. I've never spoken to this person before.
8. 6 letters in their username.
9. registered last summer.
10. 10 characters in their name.
11. name is a noun (not a proper noun).
12. member of last season.
13. all lowercase name.
This could be me