Questions #2 and #3

[lupin_hwl]

#2.

What Wizard and/or Witch thought of the Entrail-Expelling Curse?
+10 points.
Bonus, around what time period did this wizard/witch create this curse?
+5 points.

#3.
What is the Protean Charm?
+15

Please only answer one question per your house. More shall be coming soon.

~R.Lupin