Nicholas Brendon Schultz, known professionally as Nicholas Brendon, is an American actor and writer. He is best known for playing Xander Harris in the television series Buffy the Vampire Slayer (1997–2003) and Kevin Lynch in Criminal Minds (2007–2014).

Alexander Lavelle Harris is a fictional character created for the action-horror/fantasy television series Buffy the Vampire Slayer (1997–2003). He was developed by Joss Whedon and portrayed throughout the television series by Nicholas Brendon and in two episodes by his twin brother, Kelly Donovan. He was conceived as an everyman and a male character for series heroine Buffy Summers to interact with, and to provide comic relief in the series. Xander is one of several friends of Buffy who assist her in saving the world against numerous supernatural events that plague Sunnydale, California, a town built over a doorway to hell.