its interest, unless existing parties adequately represent that interest. Among the interests that satisfy these criteria are injury to reputation. Sackniani. Liggett Grp., Inc., 167 F.R.D. 6, 20-21 (E.D.N.Y. 1996) (citing Penthouse Intl. W.I. Playboy Enterprises, Inc.. 663 F.2d 371, 373, 392 (2d Cir. 19