No photo
- Known For
- Acting
- Born
- August 11, 1957
- Place of Birth
- Tampa, Florida, USA
William Sierra
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 traditions as using steel chairs as weapons.n this role, he engaged in a feud with ECW founder Tod Gordon that resulted in several wrestling matches. Since the closing of ECW, Alfonso has appeared in several independent promotions. He worked one match in Xtreme Pro Wrestling as a referee. He has also …
Filmography
movieGCW: Joey Janela's Spring Break X
2026 · Bill Alfonso
movieThe Ref Didn’t See It!
2025 · Bill Alfonso
Battleground Championship Wrestling Presents ECW Reunion Show: A Tribute To The Extreme 2
movieBattleground Championship Wrestling Presents ECW Reunion Show: A Tribute To The Extreme 2
2024 · Bill Alfonso
movieThe WRLD on GCW
2022 · Bill Alfonso
Battleground Championship Wrestling
movieBattleground Championship Wrestling
2021 · Bill Alfonso
WrestleCade Supershow 2019
movieWrestleCade Supershow 2019
2019 · Bill Alfonso
movieBarbed Wire City: The Unauthorized Story of Extreme Championship Wrestling
2013 · Himself
movieWWE: Undertaker 20-0 - The Streak
2012 · Bill Alfonso - Referee (archive footage)
movieWWE: Blood Sport ECW - The Most Violent Matches
2006
movieECW: Bloodsport The Most Violent Matches
2006 · Bill Alfonso
movieHardcore Homecoming
2005 · Bill Alfonso (Manager)
movieMLW War Games
2003 · Bill Alfonso
movieMLW Rise of The Renegades
2003
movieMLW Hybrid Hell
2003 · Bill Alfonso (Manager)
movieWWA The Revolution
2002 · Bill Alfonso
ECW: The Best of Cactus Jack
movieECW: The Best of Cactus Jack
2001 · Bill Alfonso
MECW Inaugural Show
movieMECW Inaugural Show
2001
movieECW Hardcore History
2001 · Bill Alfonso (Referee)
movieECW Path of Destruction
2000 · Bill Alfonso (Manager)
movieECW Anarchy Rulz 2000
2000 · Bill Alfonso (Manager)
ECW Fan Cam: September 9, 2000
movieECW Fan Cam: September 9, 2000
2000 · Bill Alfonso (Manager)
ECW Fan Cam: August 25, 2000
movieECW Fan Cam: August 25, 2000
2000 · Bill Alfonso (Manager)
movieECW: Extreme Evolution
2000 · Bill Alfonso (Manager)
movieECW Heat Wave 2000
2000 · Bill Alfonso (Manager)
ECW Fan Cam: June 3, 2000
movieECW Fan Cam: June 3, 2000
2000 · Bill Alfonso (Manager)
movieECW Living Dangerously 2000
2000 · Bill Alfonso
ECW Fan Cam: January 27, 2000
movieECW Fan Cam: January 27, 2000
2000 · Bill Alfonso
movieECW Guilty as Charged 2000
2000 · Bill Alfonso (Manager)
ECW Fan Cam: December 17, 1999
movieECW Fan Cam: December 17, 1999
1999 · Bill Alfonso (Manager)
movieECW November to Remember 1999
1999 · Bill Alfonso (Manager)
ECW Fan Cam: October 23, 1999
movieECW Fan Cam: October 23, 1999
1999 · Bill Alfonso (Manager)
ECW Fan Cam: October 15, 1999
movieECW Fan Cam: October 15, 1999
1999 · Bill Alfonso (Manager)
movieECW Anarchy Rulz 1999
1999 · Bill Alfonso (Manager)
movieECW Heat Wave 1999
1999 · Bill Alfonso
ECW Fan Cam: May 29, 1999
movieECW Fan Cam: May 29, 1999
1999 · Bill Alfonso (Manager)
movieECW Hardcore Heaven 1999
1999 · Bill Alfonso (Manager)
movieECW CyberSlam 1999
1999 · Bill Alfonso (Manager)
movieECW Living Dangerously 1999
1999 · Bill Alfonso (Manager)
movieECW Crossing The Line 1999
1999 · Bill Alfonso
ECW Fan Cam: February 6, 1999
movieECW Fan Cam: February 6, 1999
1999 · Bill Alfonso (Manager)
ECW Fan Cam: January 30, 1999
movieECW Fan Cam: January 30, 1999
1999 · Bill Alfonso (Manager)
movieECW House Party 1999
1999 · Bill Alfonso
movieECW Guilty as Charged 1999
1999 · Bill Alfonso
movieECW November To Remember 1998
1998 · Bill Alfonso (Manager)
ECW Fan Cam: September 17, 1998
movieECW Fan Cam: September 17, 1998
1998 · Bill Alfonso (Manager)
movieECW Heat Wave 1998
1998 · Bill Alfonso
movieECW A Matter of Respect 1998
1998 · Bill Alfonso (Manager)
movieECW It Ain't Seinfeld
1998 · Bill Alfonso (Manager)
movieECW Wrestlepalooza 1998
1998 · Bill Alfonso
The Best of Shane Douglas
movieThe Best of Shane Douglas
1998 · Bill Alfonso (Manager)
ECW Fan Cam: March 7, 1998
movieECW Fan Cam: March 7, 1998
1998 · Bill Alfonso (Manager)
The Best of The Eliminators
movieThe Best of The Eliminators
1998 · Bill Alfonso (Manager)
movieECW Living Dangerously 1998
1998 · Bill Alfonso
movieECW CyberSlam 1998
1998 · Bill Alfonso (Manager)
movieECW House Party 1998
1998 · Bill Alfonso
movieECW November to Remember 1997
1997 · Bill Alfonso (Manager)
ECW Fan Cam: October 31, 1997
movieECW Fan Cam: October 31, 1997
1997 · Bill Alfonso (Manager)
movieECW As Good As It Gets
1997 · Bill Alfonso
movieECW Hardcore Heaven 1997
1997 · Bill Alfonso (Manager)
movieECW Born To Be Wired
1997 · Bill Alfonso
ECW Heat Wave 1997
movieECW Heat Wave 1997
1997 · Bill Alfonso (Manager)
movieECW Wrestlepalooza 1997
1997 · Bill Alfonso (Manager)
ECW Fan Cam: May 16, 1997
movieECW Fan Cam: May 16, 1997
1997 · Bill Alfonso (Appearance)
ECW Fan Cam: May 3, 1997
movieECW Fan Cam: May 3, 1997
1997 · Bill Alfonso (Manager)
ECW Fan Cam: May 2, 1997 (Barely Legal II)
movieECW Fan Cam: May 2, 1997 (Barely Legal II)
1997 · Bill Alfonso (Manager)
movieECW Barely Legal 1997
1997 · Bill Alfonso (Manager)
ECW Fan Cam: April 4, 1997
movieECW Fan Cam: April 4, 1997
1997 · Bill Alfonso (Manager)
ECW Fan Cam: March 22, 1997
movieECW Fan Cam: March 22, 1997
1997 · Bill Alfonso (Manager)
ECW Fan Cam: February 14, 1997
movieECW Fan Cam: February 14, 1997
1997 · Bill Alfonso (Manager)
movieECW Holiday Hell 1996
1996 · Bill Alfonso
ECW Fan Cam: November 23, 1996
movieECW Fan Cam: November 23, 1996
1996 · Bill Alfonso (Manager)
movieECW November to Remember 1996
1996 · Bill Alfonso
ECW High Incident
movieECW High Incident
1996 · Bill Alfonso (Manager)
ECW Fan Cam: October 18, 1996
movieECW Fan Cam: October 18, 1996
1996 · Bill Alfonso (Manager)
movieECW Ultimate Jeopardy 1996
1996 · Bill Alfonso
ECW When Worlds Collide 1996
movieECW When Worlds Collide 1996
1996 · Bill Alfonso
movieECW Natural Born Killaz
1996 · Bill Alfonso (Manager)
movieECW The Doctor Is In 1996
1996 · Bill Alfonso
ECW Fan Cam: July 28, 1996
movieECW Fan Cam: July 28, 1996
1996 · Bill Alfonso
movieECW Hardcore Heaven 1996
1996 · Bill Alfonso
movieECW A Matter of Respect 1996
1996 · Bill Alfonso (Manager)
ECW Fan Cam: May 10, 1996
movieECW Fan Cam: May 10, 1996
1996 · Bill Alfonso (Manager)
movieECW Hostile City Showdown 1996
1996 · Bill Alfonso
movieECW Massacre on Queens BLVD
1996 · Bill Alfonso (Manager)
movieECW Big Ass Extreme Bash 1996
1996 · Bill Alfonso
movieECW Just Another Night 1996
1996 · Bill Alfonso
movieECW CyberSlam 1996
1996 · Bill Alfonso
movieECW Big Apple Blizzard Blast
1996 · Bill Alfonso
ECW: January 27, 1996
movieECW: January 27, 1996
1996 · Bill Alfonso (Appearance)
movieECW Extreme Warfare Vol. 2
1996 · Bill Alfonso
movieECW House Party 1996
1996 · Bill Alfonso (Manager)
movieECW Holiday Hell 1995
1995 · Bill Alfonso (Manager)
movieECW November to Remember 1995
1995 · Bill Alfonso
ECW Fan Cam: September 23, 1995
movieECW Fan Cam: September 23, 1995
1995 · Bill Alfonso (Referee)
movieECW Gangstas Paradise 1995
1995 · Bill Alfonso (Troubleshooting Referee)
ECW Sunshine State Slaughter
movieECW Sunshine State Slaughter
1995 · Bill Alfonso (Troubleshooting Referee)
movieECW Heat Wave 1995
1995 · Bill Alfonso (Troubleshooting Referee)
movieECW Hardcore Heaven 1995
1995 · Bill Alfonso (Troubleshooting Referee)
movieECW Mountain Top Madness
1995 · Bill Alfonso
movieECW Barbed Wire, Hoodies and Chokeslams
1995 · Bill Alfonso (State Appointed Referee)
movieECW Enter the Sandman 1995
1995 · Bill Alfonso (Troubleshooting Referee)
movieBret "Hit Man" Hart
1994 · Bill Alfonso
movieWWE Bloopers Bleeps and Bodyslams
1994 · Bill Alfonso
movieWWE Bashed in the USA
1993 · Bill Alfonso
tvRaw
1993 · Bill Alfonso
tvWWF Wrestling Challenge
1986 · Bill Alfonzo
tvMid-Atlantic Championship Wrestling
1981 · Bill Alfonso (Referee)