pauraque_bk | Pettigrew burst into tears. It was horrible to watch...

Because

mctabby brought it up -- HP characters who have been known to cry, in no particular order.

1. Cho (OotP 21)
2. Hermione (PS/SS 10)
3. Lavender (PoA 8)
4. Peter (PoA 19)
5. Winky (GoF 9)
6. Hagrid (PoA 15)
7. Molly (OotP 9)
8. Dumbledore (OotP 37)
9. Trelawney (OotP 17)
10. Dobby (CoS 1)
11. Ginny (CoS 17)
12. Pansy (PoA 6)
13. Petunia (OotP 2)
14. Mundungus Fletcher (OotP 5)
15. Kreacher (OotP 6)
16. Harry (PoA 12)
17. Neville (PS/SS 9)
18. Quirrell (PS/SS 15)
19. Lily (PS/SS 12) [Of debatable relevance -- it's Harry's vision in the Mirror.]
20. Myrtle (CoS 8)
21. Filch (CoS 9)
22. Flitwick (CoS 16)
23. Hannah Abbott (OotP 27)
24. Bellatrix (OotP 36)
25. Parvati (OotP 26)
27. McGonagall (PoA 15)
26. Snape (OotP 26) [In flashback, as a small boy.]
27. Oliver Wood (PoA 15)

Please share any additions or corrections. ("Verge of tears" doesn't count.)

Of course, these examples range from full-on hysterical blubbering to a Dramatic Single Tear.

Draco is still not on the list.