Handwriting

Character	Quote	Source
Dumbledore	Written in narrow, loopy writing he had never seen before...	Book 1, Page 201
	The narrow handwriting looked vaguely familiar.	Book 5, Page 58
	...he had just recognized the thin, slanting writing on the parchment.	Book 6, Page 181
Hermione	"...and her writing's tiny."	Book 2, Page 147
	Hermione's neat writing,	Book 2, Page 18
Ron	Ron's untidy scrawl,
Hagrid	and even a scribble that looked as though it was from the Hogwarts gamekeeper, Hagrid.
	He recognized the untidy scrawl on the brown paper at once: this was from Hagrid...	Book 3, Page 12
Gilderoy Lockhart	He scrawled an enormous loopy signature on the note...	Book 2, Page 163
Harry	These words, too, faded away, but not before Harry had started to scribble back. ... "What do you mean?" Harry scrawled,...	Book 2, Page 240
Tom Riddle	Riddle's reply came quickly, his writing becoming untidier, as though he was hurrying to tell all he knew.	Book 2, Page 241
Snape	..his writing was minuscule and cramped.	Book 5, Page 641
The Half-Blood Prince	"Scribbled," "Scrawled," and "Cramped."	Handwriting in the Potions book