Draco ferret

You were walking through one of the Hogwarts courtyards, when you suddenly saw an albino ferret that was running because someone was chasing it

Crabbe and Goyle followed the poor ferret

But what's wrong with them, leave the poor animal alone, you said, annoyed.

The Ferret came to you wanting you to carry him.

You picked up the ferret and went to your room.

What you didn't know is that the ferret was Draco