My parents are Muggles, mate. They don't know nothing about no deaths at Hogwarts, because I'm not stupid enough to tell them.Dean Thomas in Harry Potter and the Order of the Phoenix
He's the best Defence Against the Dark Arts teacher we've ever had.Dean Thomas in Harry Potter and the Prisoner of Azkaban, about Remus Lupin
Dean: "SEND HIM OFF REF, RED CARD!!!"
Ron: "What are you talking about, Dean?"
Dean: "In football, you get shown the red card and you're out of the game!"
Dirk Cresswell: "Muggle-born, eh?"
Dean Thomas: "Not sure. My dad left my mum when I was a kid. I've got no proof he was a wizard, though."
I know Harry Potter. And I reckon he's the real thing - the Chosen One, or whatever you want to call it.Dean Thomas in Harry Potter and the Deathly Hallows
We're fighting, aren't we? The message said Harry was back, and we were going to fight! I'll have to get a wand, though...Dean Thomas in Harry Potter and the Deathly Hallows
Dolores Umbridge: "You have been exposed to some very irresponsible wizards in this class, very irresponsible indeed - not to mention, extremely dangerous half-breeds."
Dean Thomas: "If you mean Professor Lupin, he was the best we ever...-"
Dolores Umbridge: "Hand, Mr Thomas!"