First it was Stringer Bell being Stringer Bell on The Office … and now it’s Bunny Colvin being Bunny Colvin on How I Met Your Mother! Robert Wisdom — who played Colvin, the cop turned warmhearted school administrator on The Wire — popped up in last night’s episode as the tough-but-caring manager of the laser-tag place where Barney goes to wreck shop. How long before Slim Charles shows up on Two and a Half Men? [CBS]