William Sierra

Personal Info

Known For

Acting

Gender

Male

Birthday

8/11/1957

Place of Birth

Tampa, Florida, USA

Also Known As

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 many ECW fans with strict enforcement of the rules and disqualifications of wrestlers for such ECW tra...

Known For

ECW Barbed Wire, Hoodies and Chokeslams

ECW Barbed Wire, Hoodies and Chokeslams

as Bill Alfonso (State Appointed Referee)

ECW As Good As It Gets

ECW As Good As It Gets

as Bill Alfonso

ECW Hostile City Showdown 1996

ECW Hostile City Showdown 1996

as Bill Alfonso

ECW Heat Wave 1998

ECW Heat Wave 1998

as Bill Alfonso

ECW November To Remember 1998

ECW November To Remember 1998

as Bill Alfonso (Manager)

ECW November to Remember 1996

ECW November to Remember 1996

as Bill Alfonso

ECW Heat Wave 2000

ECW Heat Wave 2000

as Bill Alfonso (Manager)

ECW Guilty as Charged 2000

ECW Guilty as Charged 2000

as Bill Alfonso (Manager)

ECW Guilty as Charged 1999

ECW Guilty as Charged 1999

as Bill Alfonso

ECW Heat Wave 1995

ECW Heat Wave 1995

as Bill Alfonso (Troubleshooting Referee)

ECW Heat Wave 1999

ECW Heat Wave 1999

as Bill Alfonso

ECW November to Remember 1999

ECW November to Remember 1999

as Bill Alfonso (Manager)

ECW November to Remember 1997

ECW November to Remember 1997

as Bill Alfonso (Manager)

ECW Living Dangerously 1999

ECW Living Dangerously 1999

as Bill Alfonso (Manager)

ECW Living Dangerously 1998

ECW Living Dangerously 1998

as Bill Alfonso

ECW It Ain't Seinfeld

ECW It Ain't Seinfeld

as Bill Alfonso (Manager)

ECW Anarchy Rulz 2000

ECW Anarchy Rulz 2000

as Bill Alfonso (Manager)

ECW Holiday Hell 1996

ECW Holiday Hell 1996

as Bill Alfonso

ECW Born To Be Wired

ECW Born To Be Wired

as Bill Alfonso

ECW Crossing The Line 1999

ECW Crossing The Line 1999

as Bill Alfonso

Career Timeline

2025

The Ref Didn’t See It!

as Bill Alfonso

2022

The WRLD on GCW

as Bill Alfonso

2021

Battleground Championship Wrestling

as Bill Alfonso

2019

WrestleCade Supershow 2019

as Bill Alfonso

2013

Barbed Wire City: The Unauthorized Story of Extreme Championship Wrestling

as Himself

2012

WWE: Undertaker 20-0 - The Streak

as Bill Alfonso - Referee (archive footage)

2006

WWE: Blood Sport ECW - The Most Violent Matches

Role unknown

ECW: Bloodsport The Most Violent Matches

as Bill Alfonso

2005

Hardcore Homecoming

as Bill Alfonso (Manager)

2003

MLW War Games

as Bill Alfonso

MLW Rise of The Renegades

Role unknown

MLW Hybrid Hell

as Bill Alfonso (Manager)

2002

WWA The Revolution

as Bill Alfonso

2001

ECW: The Best of Cactus Jack

as Bill Alfonso

MECW Inaugural Show

Role unknown

ECW Hardcore History

as Bill Alfonso (Referee)

2000

ECW Path of Destruction

as Bill Alfonso (Manager)

ECW Anarchy Rulz 2000

as Bill Alfonso (Manager)

ECW Fan Cam: September 9, 2000

as Bill Alfonso (Manager)

ECW Fan Cam: August 25, 2000

as Bill Alfonso (Manager)

ECW: Extreme Evolution

as Bill Alfonso (Manager)

ECW Heat Wave 2000

as Bill Alfonso (Manager)

ECW Fan Cam: June 3, 2000

as Bill Alfonso (Manager)

ECW Living Dangerously 2000

as Bill Alfonso

ECW Fan Cam: January 27, 2000

as Bill Alfonso

ECW Guilty as Charged 2000

as Bill Alfonso (Manager)

1999

ECW Fan Cam: December 17, 1999

as Bill Alfonso (Manager)

ECW November to Remember 1999

as Bill Alfonso (Manager)

ECW Fan Cam: October 23, 1999

as Bill Alfonso (Manager)

ECW Fan Cam: October 15, 1999

as Bill Alfonso (Manager)

ECW Anarchy Rulz 1999

as Bill Alfonso (Manager)

ECW Heat Wave 1999

as Bill Alfonso

ECW Fan Cam: May 29, 1999

as Bill Alfonso (Manager)

ECW Hardcore Heaven 1999

as Bill Alfonso (Manager)

ECW CyberSlam 1999

as Bill Alfonso (Manager)

ECW Living Dangerously 1999

as Bill Alfonso (Manager)

ECW Crossing The Line 1999

as Bill Alfonso

ECW Fan Cam: February 6, 1999

as Bill Alfonso (Manager)

ECW Fan Cam: January 30, 1999

as Bill Alfonso (Manager)

ECW House Party 1999

as Bill Alfonso

ECW Guilty as Charged 1999

as Bill Alfonso

1998

ECW November To Remember 1998

as Bill Alfonso (Manager)

ECW Fan Cam: September 17, 1998

as Bill Alfonso (Manager)

ECW Heat Wave 1998

as Bill Alfonso

ECW A Matter of Respect 1998

as Bill Alfonso (Manager)

ECW It Ain't Seinfeld

as Bill Alfonso (Manager)

ECW Wrestlepalooza 1998

as Bill Alfonso

The Best of Shane Douglas

as Bill Alfonso (Manager)

ECW Fan Cam: March 7, 1998

as Bill Alfonso (Manager)

The Best of The Eliminators

as Bill Alfonso (Manager)

ECW Living Dangerously 1998

as Bill Alfonso

ECW CyberSlam 1998

as Bill Alfonso (Manager)

ECW House Party 1998

as Bill Alfonso

1997

ECW November to Remember 1997

as Bill Alfonso (Manager)

ECW Fan Cam: October 31, 1997

as Bill Alfonso (Manager)

ECW As Good As It Gets

as Bill Alfonso

ECW Hardcore Heaven 1997

as Bill Alfonso (Manager)

ECW Born To Be Wired

as Bill Alfonso

ECW Heat Wave 1997

as Bill Alfonso (Manager)

ECW Wrestlepalooza 1997

as Bill Alfonso (Manager)

ECW Fan Cam: May 16, 1997

as Bill Alfonso (Appearance)

ECW Fan Cam: May 3, 1997

as Bill Alfonso (Manager)

ECW Fan Cam: May 2, 1997 (Barely Legal II)

as Bill Alfonso (Manager)

ECW Barely Legal 1997

as Bill Alfonso (Manager)

ECW Fan Cam: April 4, 1997

as Bill Alfonso (Manager)

ECW Fan Cam: March 22, 1997

as Bill Alfonso (Manager)

ECW Fan Cam: February 14, 1997

as Bill Alfonso (Manager)

1996

ECW Holiday Hell 1996

as Bill Alfonso

ECW Fan Cam: November 23, 1996

as Bill Alfonso (Manager)

ECW November to Remember 1996

as Bill Alfonso

ECW High Incident

as Bill Alfonso (Manager)

ECW Fan Cam: October 18, 1996

as Bill Alfonso (Manager)

ECW Ultimate Jeopardy 1996

as Bill Alfonso

ECW When Worlds Collide 1996

as Bill Alfonso

ECW Natural Born Killaz

as Bill Alfonso (Manager)

ECW The Doctor Is In 1996

as Bill Alfonso

ECW Fan Cam: July 28, 1996

as Bill Alfonso

ECW Hardcore Heaven 1996

as Bill Alfonso

ECW A Matter of Respect 1996

as Bill Alfonso (Manager)

ECW Fan Cam: May 10, 1996

as Bill Alfonso (Manager)

ECW Hostile City Showdown 1996

as Bill Alfonso

ECW Massacre on Queens BLVD

as Bill Alfonso (Manager)

ECW Big Ass Extreme Bash 1996

as Bill Alfonso

ECW Just Another Night 1996

as Bill Alfonso

ECW CyberSlam 1996

as Bill Alfonso

ECW Big Apple Blizzard Blast

as Bill Alfonso

ECW: January 27, 1996

as Bill Alfonso (Appearance)

ECW Extreme Warfare Vol. 2

as Bill Alfonso

ECW House Party 1996

as Bill Alfonso (Manager)

1995

ECW Holiday Hell 1995

as Bill Alfonso (Manager)

ECW November to Remember 1995

as Bill Alfonso

ECW Fan Cam: September 23, 1995

as Bill Alfonso (Referee)

ECW Gangstas Paradise 1995

as Bill Alfonso (Troubleshooting Referee)

ECW Sunshine State Slaughter

as Bill Alfonso (Troubleshooting Referee)

ECW Heat Wave 1995

as Bill Alfonso (Troubleshooting Referee)

ECW Hardcore Heaven 1995

as Bill Alfonso (Troubleshooting Referee)

ECW Mountain Top Madness

as Bill Alfonso

ECW Barbed Wire, Hoodies and Chokeslams

as Bill Alfonso (State Appointed Referee)

ECW Enter the Sandman 1995

as Bill Alfonso (Troubleshooting Referee)

1994

Bret "Hit Man" Hart

as Bill Alfonso

WWE Bloopers Bleeps and Bodyslams

as Bill Alfonso

1993

WWE Bashed in the USA

as Bill Alfonso

Raw

as Bill Alfonso

1986

WWF Wrestling Challenge

as Bill Alfonzo

1981

Mid-Atlantic Championship Wrestling

as Bill Alfonso (Referee)