From: howemuchtrouble	Date: May 29th, 2011 11:21 pm (UTC)		(Link)

Crazy youtube videos, Jackie probably gets to see Casey go fangirlish at Mythbusters. Not to mention hosting D&D games in their room? XD

So then yes, Keegan and Jackie would be buddies. With music as the biggest common interest but there's plenty they have in common :D