I beleive it is one of the snatchers from greyback's little gang, but I can't remember his name.
"I am
not joking, Mr Weasley,... though, now you mention it, I did hear an excellent one over the summer about a troll, a hag, and a leprechaun who all go into a bar..."
Patchist
Hermione Granger
@vivacious_red It wasn't Ron who said that; it was Harry who said it to Ron.
"HELLO? HELLO? CAN YOU HEAR ME? I-WANT-TO-TALK-TO-HARRY-POTTER!"
And BTW, patchist, it was indeed ron who said that when he was telling harry about the snatchers. I understand your confusion though- harry did impersonate stan as well at one point or another