"Harmony, when you tried to be head cheerleader, you were bad. When you tried to chair the homecoming committee, you were really bad. But when you try to be bad... you suck." -Buffy Summers, "Real Me" Harmony Kendall is a fictional character created by Joss Whedon for the cult television series Buffy the Vampire Slayer and its spin-off Angel. The character is portrayed by Mercedes McNab. Originally cast as a minor character, Mercedes McNab's credited status elevated to guest star, "special guest star" and ultimately series cast over the course of her tenure in Buffy and Angel. Harmony holds the distinction of being the only character to appear in both the Buffy unaired pilot and the Angel series finale.