Question: Who is the mascot of the university featured in the Bedlam Series whose current athletic director is Mike Holder?

Context paragraphs:
Greg Christopher: Greg Christopher is the current athletic director for Xavier University.  He was previously the athletic director at Bowling Green State University from 2006 to 2013.  Christopher was an associate athletic director at Purdue University, joining the department in 1997.

Gary Barta: Gary Barta (born September 4, 1963) is the current athletic director at the University of Iowa.  He succeeded Bob Bowlsby on August 1, 2006, when Bowlsby stepped down after 15 years as Iowa's athletic director to take the same position at Stanford University.  Before coming to Iowa, Barta was the athletic director at the University of Wyoming from 2003 to 2006.  In early 2005, Barta was a finalist for the Athletic Director position at Arizona State University.  Prior to serving as the athletic director at Wyoming, Barta served as an administrator in the athletic departments at the University of Washington, and Northern Iowa University.

Peter Roby: Peter P. Roby (born August 27, 1957) is the current athletic director of Northeastern University.  Roby was introduced as the ninth athletic director of the university in June 2007.  In 2007 Roby was named as one of the 100 Most Influential Sports Educators.

Southern Nazarene Crimson Storm: Southern Nazarene Crimson Storm features 17 men's and women's varsity sports teams at Southern Nazarene University.  In 1999, the Crimson Storm athletic nickname replaced the "Redskins", and the "Thundercat" was debuted as the mascot in 2003.  The Crimson Storm participates in NCAA Division II in the Great American Conference.  The current athletic director is Bobby Martin, and the SNU Sports Information Director is Scott Secor.

Sandy Barbour: Anne Saunders "Sandy" Barbour (born December 2, 1959) is the current athletic director at the Pennsylvania State University.  Prior to her current position at Penn State, she was the Athletic Director of the University of California, Berkeley from 2004 to 2014.  She was also named one of the top 100 influential women in business in San Francisco.

Mack Rhoades: Mack Bernard Rhoades IV is the current athletic director at Baylor University, announced on July 13, 2016.  He formerly held the same position at the University of Missouri.  On March 8, 2015, it was announced he would be leaving the University of Houston to take over the Athletic Director position at the University of Missouri.  Rhoades had been hired at Akron in December 2005 after former Zips athletic director Mike Thomas took the same position at the University of Cincinnati.

Oklahoma State Cowboys and Cowgirls: Oklahoma State Cowboys and Cowgirls are the athletic teams that represent Oklahoma State University.  The program's mascot is a cowboy named Pistol Pete.  Oklahoma State participates at the National Collegiate Athletic Association (NCAA)'s Division I Football Bowl Subdivision (FBS) as a member of the Big 12 Conference.  The university's current athletic director is Mike Holder.  In total, Oklahoma State has 51 NCAA team national titles, which ranks fourth in most NCAA team national championships.  These national titles have come in wrestling (34), golf (10), basketball (2), baseball (1), and cross country (4).  The 1945 Oklahoma A&M football team was retroactively awarded a national title in October 2016 by the American Football Coaches Association.

Ryan Bamford: Ryan Bamford is the current athletic director of the University of Massachusetts Amherst.  He was previously hired on March 23, 2011 as an associate athletic director at Georgia Institute of Technology by then athletic director Dan Radakovich and promoted to senior associate in June 2013 by incoming athletic director Mike Bobinski.

Bedlam Series: The Bedlam Series refers to the athletics rivalry between the University of Oklahoma Sooners and the Oklahoma State University Cowboys of the Big 12 Conference.  Both schools were also members of the Big 8 Conference before the formation of the Big 12 Conference in 1996, and both were divisional rivals in the Big 12 South Division prior to 2011.

Mike Thomas (athletic director): Michael J. Thomas is an American university administrator, and the current athletic director at Cleveland State University.  Thomas was previously athletic director at the University of Illinois from 2011-2015, University of Cincinnati from 2005-2011, and the University of Akron from 2000-2005.  Previously, he served as an associate athletic director at the University of Virginia and the University of Denver, and spent a year at the University of Iowa as an administrative intern.

Supporting paragraphs: Bedlam Series Oklahoma State Cowboys and Cowgirls
Answer: Pistol Pete