Tonight is the night — we’ll be celebrating Butterstick’s one-year of cuteness at Chief Ike’s Mambo Room in Adams Morgan, 1725 Columbia Road, NW. And in his honor, we’ve gotten some good drink specials lined up — $5 Captain Morgan drinks, $4 Paulaner Hefeweizen’s, and $3 Pabst drafts. From what the zoo folks tell us, Butterstick loves his Pabst. There will also be some good music on both floors. And yes, we do have a…