" The three of them fell silent. After a long pause, Hermione voiced the knottiest question of all in a hesitant voice.
“Do you think we should go and ask Hagrid about it all?”
“That’d be a cheerful visit,” said Ron, “ ‘Hello, Hagrid. Tell us, have you been setting anything mad and hairy loose in the castle lately? "

― J.K. Rowling , Harry Potter and the Chamber of Secrets (Harry Potter, #2)