Game of Thrones S01S02 - Jon gives Arya a present

"All the best swords have names."
"Like Ice," she said. She looked at the blade in her hand. "Does this have a name? Oh, tell me."
"Can't you guess?" Jon teased. "Your very favorite thing."
Arya seemed puzzled at first. Then it came to her. She was that quick. They said it together:
"Needle!"