Hogwarts My Name Is The Unforgivable

Hello, strange wizard, what's your name?"

"Avada Kedavra."

"Fuck! What are you doing?!"

"...My name is Avada Kedavra, Avada Kendavia."

"...Who gave you this crappy name?"

"I heard it's the Department of Mysteries."

"Do you have a grudge against the Ministry of Magic?"

"No, they dare not."

"...Then what should I call you? You can't just recite the Killing Curse when we meet, can you?"

"You can call me: the leader of the technological explosion in the wizarding world, the pioneer of Muggle exploration of magic, the ruler of the Hufflepuff kitchen, the Ducklord, younofull..."