Personal Info
Known Credits
96
Gender
Male
Birthdate
1957-08-11 (68 Y.O)
Place Of Birth
Tampa, Florida, USA
Also Known For
Bill Alfonso
William Sierra
Biography
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 referee".Introduced by Shane Douglas, he angered ma ...
Known For
Acting
2022 --
The WRLD on GCW
| Bill Alfonso
2019 --
WrestleCade Supershow 2019
| Bill Alfonso
2013 --
Barbed Wire City: The Unauthorized Story of Extreme Championship Wrestling
| Himself
2012 --
WWE: Undertaker 20-0 - The Streak
| Bill Alfonso - Referee (archive footage)
2006 --
ECW: Bloodsport The Most Violent Matches
| Bill Alfonso
2006 --
WWE: Blood Sport ECW - The Most Violent Matches
|
2005 --
Hardcore Homecoming
| Bill Alfonso (Manager)
2003 --
MLW War Games
| Bill Alfonso
2003 --
MLW Rise of The Renegades
|
2003 --
MLW Hybrid Hell
| Bill Alfonso (Manager)
2001 --
ECW: The Best of Cactus Jack
| Bill Alfonso
2001 --
MECW Inaugural Show
|
2001 --
ECW Hardcore History
| Bill Alfonso (Referee)
2000 --
ECW Path of Destruction
| Bill Alfonso (Manager)
2000 --
ECW Anarchy Rulz 2000
| Bill Alfonso (Manager)
2000 --
ECW Fan Cam: September 9, 2000
| Bill Alfonso (Manager)
2000 --
ECW Fan Cam: August 25, 2000
| Bill Alfonso (Manager)
2000 --
ECW: Extreme Evolution
| Bill Alfonso (Manager)
2000 --
ECW Heat Wave 2000
| Bill Alfonso (Manager)
2000 --
ECW Fan Cam: June 3, 2000
| Bill Alfonso (Manager)
2000 --
ECW Living Dangerously 2000
| Bill Alfonso (Appearance)
2000 --
ECW Fan Cam: January 27, 2000
| Bill Alfonso
2000 --
ECW Guilty as Charged 2000
| Bill Alfonso (Manager)
1999 --
ECW Fan Cam: December 17, 1999
| Bill Alfonso (Manager)
1999 --
ECW November to Remember 1999
| Bill Alfonso (Manager)
1999 --
ECW Fan Cam: October 23, 1999
| Bill Alfonso (Manager)
1999 --
ECW Fan Cam: October 15, 1999
| Bill Alfonso (Manager)
1999 --
ECW Anarchy Rulz 1999
| Bill Alfonso (Manager)
1999 --
ECW Heat Wave 1999
| Bill Alfonso
1999 --
ECW Fan Cam: May 29, 1999
| Bill Alfonso (Manager)
1999 --
ECW Hardcore Heaven 1999
| Bill Alfonso (Manager)
1999 --
ECW CyberSlam 1999
| Bill Alfonso (Manager)
1999 --
ECW Living Dangerously 1999
| Bill Alfonso (Manager)
1999 --
ECW Crossing The Line 1999
| Bill Alfonso
1999 --
ECW Fan Cam: February 6, 1999
| Bill Alfonso (Manager)
1999 --
ECW Fan Cam: January 30, 1999
| Bill Alfonso (Manager)
1999 --
ECW House Party 1999
| Bill Alfonso
1999 --
ECW Guilty as Charged 1999
| Bill Alfonso
1998 --
ECW November To Remember 1998
| Bill Alfonso (Manager)
1998 --
ECW Fan Cam: September 17, 1998
| Bill Alfonso (Manager)
1998 --
ECW Heat Wave 1998
| Bill Alfonso
1998 --
ECW A Matter of Respect 1998
| Bill Alfonso (Manager)
1998 --
ECW It Ain't Seinfeld
| Bill Alfonso (Manager)
1998 --
ECW Wrestlepalooza 1998
| Bill Alfonso
1998 --
The Best of Shane Douglas
| Bill Alfonso (Manager)
1998 --
ECW Fan Cam: March 7, 1998
| Bill Alfonso (Manager)
1998 --
ECW Living Dangerously 1998
| Bill Alfonso
1998 --
The Best of The Eliminators
| Bill Alfonso (Manager)
1998 --
ECW CyberSlam 1998
| Bill Alfonso (Manager)
1998 --
ECW House Party 1998
| Bill Alfonso
1997 --
ECW November to Remember 1997
| Bill Alfonso (Manager)
1997 --
ECW Fan Cam: October 31, 1997
| Bill Alfonso (Manager)
1997 --
ECW As Good As It Gets
| Bill Alfonso
1997 --
ECW Hardcore Heaven 1997
| Bill Alfonso (Manager)
1997 --
ECW Born To Be Wired
| Bill Alfonso
1997 --
ECW Heat Wave 1997
| Bill Alfonso (Manager)
1997 --
ECW Wrestlepalooza 1997
| Bill Alfonso (Manager)
1997 --
ECW Fan Cam: May 16, 1997
| Bill Alfonso (Appearance)
1997 --
ECW Fan Cam: May 3, 1997
| Bill Alfonso (Manager)
1997 --
ECW Fan Cam: May 2, 1997 (Barely Legal II)
| Bill Alfonso (Manager)
1997 --
ECW Barely Legal 1997
| Bill Alfonso (Manager)
1997 --
ECW Fan Cam: April 4, 1997
| Bill Alfonso (Manager)
1997 --
ECW Fan Cam: March 22, 1997
| Bill Alfonso (Manager)
1997 --
ECW Fan Cam: February 14, 1997
| Bill Alfonso (Manager)
1996 --
ECW Holiday Hell 1996
| Bill Alfonso
1996 --
ECW Fan Cam: November 23, 1996
| Bill Alfonso (Manager)
1996 --
ECW November to Remember 1996
| Bill Alfonso
1996 --
ECW High Incident
| Bill Alfonso (Manager)
1996 --
ECW Fan Cam: October 18, 1996
| Bill Alfonso (Manager)
1996 --
ECW Ultimate Jeopardy 1996
| Bill Alfonso
1996 --
ECW When Worlds Collide 1996
| Bill Alfonso
1996 --
ECW Natural Born Killaz
| Bill Alfonso (Manager)
1996 --
ECW The Doctor is In
| Bill Alfonso
1996 --
ECW Fan Cam: July 28, 1996
| Bill Alfonso
1996 --
ECW Hardcore Heaven 1996
| Bill Alfonso
1996 --
ECW A Matter of Respect
| Bill Alfonso (Manager)
1996 --
ECW Fan Cam: May 10, 1996
| Bill Alfonso (Manager)
1996 --
ECW Hostile City Showdown 1996
| Bill Alfonso
1996 --
ECW Massacre on Queens Boulevard
| Bill Alfonso (Manager)
1996 --
ECW Big Ass Extreme Bash
| Bill Alfonso
1996 --
ECW Just Another Night
| Bill Alfonso
1996 --
ECW CyberSlam 1996
| Bill Alfonso
1996 --
ECW Big Apple Blizzard Blast
| Bill Alfonso
1996 --
ECW: January 27, 1996
| Bill Alfonso (Appearance)
1996 --
ECW House Party 1996
| Bill Alfonso (Manager)
1995 --
ECW Holiday Hell '95: The New York Invasion
| Bill Alfonso (Manager)
1995 --
ECW November to Remember 1995
| Bill Alfonso
1995 --
ECW Fan Cam: September 23, 1995
| Bill Alfonso (Referee)
1995 --
ECW Gangsta's Paradise
| Bill Alfonso (Troubleshooting Referee)
1995 --
ECW Sunshine State Slaughter
| Bill Alfonso (Troubleshooting Referee)
1995 --
ECW Heat Wave 1995
| Bill Alfonso (Troubleshooting Referee)
1995 --
ECW Hardcore Heaven 1995
| Bill Alfonso (Troubleshooting Referee)
1995 --
ECW Mountain Top Madness
| Bill Alfonso
1995 --
ECW Barbed Wire, Hoodies and Chokeslams
| Bill Alfonso (State Appointed Referee)
1995 --
ECW Enter The Sandman
| Bill Alfonso (Troubleshooting Referee)
1994 --
WWE Bloopers Bleeps and Bodyslams
| Bill Alfonso