The last standing HP character

In this game their are 15 characters and they all start with 10 lives, each turn you can add one life (+1) and take one life (-1) from each character. The last character who hasn't gotten to 0 wins.
ATFER 2 PEOPLE HAVE GONE AFTER YOU, YOU CAN GO AGAIN
Oh and if you could try and keep to a
+
-
format not a
-
+
format, it would be great.

Since we are Slytherins, I thought that instead of just doing random characters, we'd do famous Slytherins.
Here they are.

Tom Riddle
Salazar Slytherin
Andromeda Tonks
Horace Slughorn
Draco Malfoy
Vincent Crabbe
Gregory Goyle
Pansy Parkinson
Blaise Zabini
Regulus Black
Phineas Nigellus
Severus Snape
Bellatrix Lestrange

You can also use just their first or last name if you wish.

I'll start.
+Tom Riddle

-Crabbe