Olivia

“Why were you lurking under our window?"
"Yes - yes, good point, Petunia! What were you doing under our windows, boy?"
"Listening to the news," said Harry in a resigned voice.
His aunt and uncle exchanged looks of outrage.
"Listening to the news! Again?"
"Well, it changes every day, you see," said Harry.”
― J.K. Rowling, Harry Potter and the Order of the Phoenix

“Yes, my tiara sets off the whole thing nicely," said Auntie Muriel in a rather carrying whisper. "But I must say, Ginevra's dress is far too low-cut."
Ginny glanced round, grinning, winked at Harry, then quickly faced the front again.”
― J.K. Rowling, Harry Potter and the Deathly Hallows

“I don't think you should be an Auror, Harry," said Luna unexpectedly. Everybody looked at her. "The Aurors are part of the Rotfang Conspiracy, I thought everyone knew that. They're working to bring down the Ministry of Magic from within using a mixture of dark magic and gum disease.”
― J.K. Rowling, Harry Potter and the Half-Blood Prince

“What's that?" he snarled, staring at the envelope Harry was still clutching in his hand. "If it's another form for me to sign, you've got another -"
"It's not," said Harry cheerfully. "It's a letter from my godfather."
"Godfather?" sputtered Uncle Vernon. "You haven't got a godfather!"
"Yes, I have," said Harry brightly. "He was my mum and dad's best friend. He's a convicted murderer, but he's broken out of wizard prison and he's on the run. He likes to keep in touch with me, though...keep up with my news...check if I'm happy....”
― J.K. Rowling, Harry Potter and the Prisoner of Azkaban