William Matthew Sierra is an American former professional wrestling referee and manager better known by his ring name Bill Alfonso. He achieved his greatest success in Extreme Championship Wrestling in the mid-to-late 1990s. He is well known for the whistle that was almost always hanging around his neck, which he blew constantly during his wrestlers' matches In May 1995, he made his debut in Extreme Championship Wrestling as a "trouble-shooting r...
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The WRLD on GCW
As Bill Alfonso
ECW Guilty as Charged 2000
As Bill Alfonso (Manager)
ECW Fan Cam: November 23, 1996
As Bill Alfonso (Manager)
ECW Fan Cam: October 31, 1997
As Bill Alfonso (Manager)
ECW Fan Cam: October 18, 1996
As Bill Alfonso (Manager)
ECW Fan Cam: September 17, 1998
As Bill Alfonso (Manager)
ECW Fan Cam: May 29, 1999
As Bill Alfonso (Manager)
ECW Fan Cam: October 15, 1999
As Bill Alfonso (Manager)
ECW Fan Cam: January 30, 1999
As Bill Alfonso (Manager)
ECW Fan Cam: February 6, 1999
As Bill Alfonso (Manager)
ECW Fan Cam: December 17, 1999
As Bill Alfonso (Manager)
ECW Fan Cam: January 27, 2000
As Bill Alfonso
ECW Fan Cam: October 23, 1999
As Bill Alfonso (Manager)
ECW Fan Cam: June 3, 2000
As Bill Alfonso (Manager)
ECW Fan Cam: August 25, 2000
As Bill Alfonso (Manager)
ECW Fan Cam: September 9, 2000
As Bill Alfonso (Manager)
ECW Heat Wave 2000
As Bill Alfonso (Manager)
ECW: January 27, 1996
As Bill Alfonso (Appearance)
ECW Living Dangerously 2000
As Bill Alfonso (Appearance)
ECW Barbed Wire, Hoodies and Chokeslams
As Bill Alfonso (State Appointed Referee)
ECW Enter The Sandman
As Bill Alfonso (Troubleshooting Referee)
ECW Hardcore Heaven 1995
As Bill Alfonso (Troubleshooting Referee)
ECW Heat Wave 1995
As Bill Alfonso (Troubleshooting Referee)
ECW Gangsta's Paradise
As Bill Alfonso (Troubleshooting Referee)
ECW Sunshine State Slaughter
As Bill Alfonso (Troubleshooting Referee)
The Best of Shane Douglas
As Bill Alfonso (Manager)
ECW Path of Destruction
As Bill Alfonso (Manager)
The Best of The Eliminators
As Bill Alfonso (Manager)
WWE Bloopers Bleeps and Bodyslams
As Bill Alfonso
WWE: Blood Sport ECW - The Most Violent Matches
Barbed Wire City: The Unauthorized Story of Extreme Championship Wrestling
As Himself
ECW Fan Cam: March 7, 1998
As Bill Alfonso (Manager)
ECW Fan Cam: September 23, 1995
As Bill Alfonso (Referee)
ECW Fan Cam: May 10, 1996
As Bill Alfonso (Manager)
ECW Fan Cam: July 28, 1996
As Bill Alfonso
ECW Fan Cam: February 14, 1997
As Bill Alfonso (Manager)
ECW Fan Cam: March 22, 1997
As Bill Alfonso (Manager)
Hardcore Homecoming
As Bill Alfonso (Manager)
ECW: The Best of Cactus Jack
As Bill Alfonso
ECW: Bloodsport The Most Violent Matches
As Bill Alfonso
ECW The Doctor is In
As Bill Alfonso
ECW Anarchy Rulz 2000
As Bill Alfonso (Manager)
ECW Crossing The Line 1999
As Bill Alfonso
ECW Massacre on Queens Boulevard
As Bill Alfonso (Manager)
ECW November to Remember 1996
As Bill Alfonso
ECW House Party 1999
As Bill Alfonso
MLW War Games
As Bill Alfonso
WWE: Undertaker 20-0 - The Streak
As Bill Alfonso - Referee (archive footage)
MLW Rise of The Renegades
WrestleCade Supershow 2019
As Bill Alfonso
MECW Inaugural Show
ECW November to Remember 1995
As Bill Alfonso
ECW Wrestlepalooza 1998
As Bill Alfonso
ECW Holiday Hell '95: The New York Invasion
As Bill Alfonso (Manager)
ECW A Matter of Respect 1998
As Bill Alfonso (Manager)
ECW It Ain't Seinfeld
As Bill Alfonso (Manager)
ECW House Party 1996
As Bill Alfonso (Manager)
ECW CyberSlam 1996
As Bill Alfonso
ECW Just Another Night
As Bill Alfonso
ECW Big Apple Blizzard Blast
As Bill Alfonso
ECW Big Ass Extreme Bash
As Bill Alfonso
ECW Hostile City Showdown 1996
As Bill Alfonso
ECW A Matter of Respect
As Bill Alfonso (Manager)
ECW Hardcore Heaven 1996
As Bill Alfonso
ECW Natural Born Killaz
As Bill Alfonso (Manager)
ECW When Worlds Collide 1996
As Bill Alfonso
ECW Heat Wave 1998
As Bill Alfonso
ECW Ultimate Jeopardy 1996
As Bill Alfonso
ECW High Incident
As Bill Alfonso (Manager)
ECW Holiday Hell 1996
As Bill Alfonso
ECW Barely Legal 1997
As Bill Alfonso (Manager)
ECW Guilty as Charged 1999
As Bill Alfonso
ECW November To Remember 1998
As Bill Alfonso (Manager)
ECW Wrestlepalooza 1997
As Bill Alfonso (Manager)
ECW Born To Be Wired
As Bill Alfonso
ECW As Good As It Gets
As Bill Alfonso
ECW Hardcore Heaven 1997
As Bill Alfonso (Manager)
ECW November To Remember 1997
As Bill Alfonso
ECW House Party 1998
As Bill Alfonso
ECW Mountain Top Madness
As Bill Alfonso
ECW CyberSlam 1998
As Bill Alfonso (Manager)
ECW Living Dangerously 1998
As Bill Alfonso
ECW Living Dangerously 1999
As Bill Alfonso (Manager)
ECW Hardcore Heaven 1999
As Bill Alfonso (Manager)
ECW Anarchy Rulz 1999
As Bill Alfonso (Manager)
ECW CyberSlam 1999
As Bill Alfonso (Manager)
ECW November to Remember 1999
As Bill Alfonso (Manager)
ECW Heat Wave 1999
As Bill Alfonso
WWE Raw
As Bill Alfonso
WWF Wrestling Challenge
As Bill Alfonzo