Context: There have been 31 head coaches since the inaugural team in 1893, with Steve Sarkisian being the current head coach of the Longhorns. Input: What is the Texas Longhorn's head coach Steve Sarkisian's nickname? Output: The response "Sark" is a shortened form of Steve Sarkisian's full name, which is Steve Sarkisian. Therefore, based on the context provided, Steve Sarkisian's nickname is indeed "Sark."