Im hoping we see more of Dumbledores siblings, probably in flashbacks, in the up coming FB movies. It would make sense for the story and they deserve more screen time than they have gotten.

Mcgonagall

I don't know why I'm saying this, but Voldemort and the Death Eaters. Voldemort did evil things, sure, but he managed to stay sane (more or less) after making seven horcruxes. As for the Death Eaters, has anyone in the Wizarding world paused to think about what they go through? If the Death Eaters fail a mission they're punished by either torture or death. And take Bellatrix for example. She spent over a decade in Azkaban just to stay loyal to her master.

Nymphadora Tonks

Neville. Some people still see him as a scared, clumsy little kid, others don't pay attention to him at all. He's great you guys, honestly and wholeheartedly great

Hermione!

Tonks and Mcgonagall

Pansy parkinson

McGonagall is legandary

Luna lovegood