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Actor

William Sierra

11 Aug 1957Born
69Age
106Credits
Tampa, Florida, USABirthplace

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.

Read the full biography

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 worked in Elite Wrestling Entertainment as a referee and a manager,as well as managing wrestlers in Squared Circle Wrestling and Pro Wrestling Unplugged.In May 2007, he made his first appearance with Women's Extreme Wrestling, where he serves as a manager and as commissioner.

On August 8, 2010, Alfonso took part in Total Nonstop Action Wrestling's ECW reunion show, Hardcore Justice, managing both Rob Van Dam and Sabu during their match against each other. On the following edition of TNA Impact!, the ECW alumni, known collectively as Extreme, Version 2.0 (EV 2.0), were assaulted by A.J. Styles, Kazarian, Robert Roode, James Storm, Douglas Williams and Matt Morgan of Ric Flair's Fourtune stable, who thought they didn't deserve to be in TNA.

In October 2002, fellow manager Missy Hyatt sued Alfonso in a case televised on Judge Mathis. She accused Alfonso of damaging her Porsche and was awarded $500.

Alfonso is not the only person in his family to have a career in the Professional Wrestling sport, his step brother, former Olympian Bob Roop also spent many years as a wrestler fighting all over the world under a variety of names and gimmicks while his cousin David Sierra has also enjoyed a long career in the ring including a stint in WCW as Fidel Sierra where he is remembered for a controversial feud with Hacksaw Jim Duggan. However, contrary to popular belief, Alfonso is not related to Mike Awesome with whom he spent time with in ECW. The confusion is thought to have stemmed from the fact that Awesome's real surname was Alfonso and the fact that he wrestled in Japan as The Gladiator, a name that Alfonso's real brother Bob Roop also used during his career.

Known for

Filmography

The 80 most recent of 106 credits.

  1. 2026GCW: Joey Janela's Spring Break XFilm: Bill Alfonso
  2. 2025The Ref Didn’t See It!Film: Bill Alfonso
  3. 2024Battleground Championship Wrestling Presents ECW Reunion Show: A Tribute To The Extreme 2Film: Bill Alfonso
  4. 2022The WRLD on GCWFilm: Bill Alfonso
  5. 2021Battleground Championship WrestlingFilm: Bill Alfonso
  6. 2019WrestleCade Supershow 2019Film: Bill Alfonso
  7. 2012WWE: Undertaker 20-0 - The StreakFilm: Bill Alfonso - Referee (archive footage)
  8. 2006WWE: Blood Sport ECW - The Most Violent MatchesFilm
  9. 2006ECW: Bloodsport The Most Violent MatchesFilm: Bill Alfonso
  10. 2005Hardcore HomecomingFilm: Bill Alfonso (Manager)
  11. 2003MLW War GamesFilm: Bill Alfonso
  12. 2003MLW Rise of The RenegadesFilm
  13. 2003MLW Hybrid HellFilm: Bill Alfonso (Manager)
  14. 2002WWA The RevolutionFilm: Bill Alfonso
  15. 2001ECW: The Best of Cactus JackFilm: Bill Alfonso
  16. 2001MECW Inaugural ShowFilm
  17. 2001ECW Hardcore HistoryFilm: Bill Alfonso (Referee)
  18. 2000ECW Path of DestructionFilm: Bill Alfonso (Manager)
  19. 2000ECW Anarchy Rulz 2000Film: Bill Alfonso (Manager)
  20. 2000ECW Fan Cam: September 9, 2000Film: Bill Alfonso (Manager)
  21. 2000ECW Fan Cam: August 25, 2000Film: Bill Alfonso (Manager)
  22. 2000ECW: Extreme EvolutionFilm: Bill Alfonso (Manager)
  23. 2000ECW Heat Wave 2000Film: Bill Alfonso (Manager)
  24. 2000ECW Fan Cam: June 3, 2000Film: Bill Alfonso (Manager)
  25. 2000ECW Living Dangerously 2000Film: Bill Alfonso
  26. 2000ECW Fan Cam: January 27, 2000Film: Bill Alfonso
  27. 2000ECW Guilty as Charged 2000Film: Bill Alfonso (Manager)
  28. 1999ECW Fan Cam: December 17, 1999Film: Bill Alfonso (Manager)
  29. 1999ECW November to Remember 1999Film: Bill Alfonso (Manager)
  30. 1999ECW Fan Cam: October 23, 1999Film: Bill Alfonso (Manager)
  31. 1999ECW Fan Cam: October 15, 1999Film: Bill Alfonso (Manager)
  32. 1999ECW Anarchy Rulz 1999Film: Bill Alfonso (Manager)
  33. 1999ECW Heat Wave 1999Film: Bill Alfonso
  34. 1999ECW Fan Cam: May 29, 1999Film: Bill Alfonso (Manager)
  35. 1999ECW Hardcore Heaven 1999Film: Bill Alfonso (Manager)
  36. 1999ECW CyberSlam 1999Film: Bill Alfonso (Manager)
  37. 1999ECW Living Dangerously 1999Film: Bill Alfonso (Manager)
  38. 1999ECW Crossing The Line 1999Film: Bill Alfonso
  39. 1999ECW Fan Cam: February 6, 1999Film: Bill Alfonso (Manager)
  40. 1999ECW Fan Cam: January 30, 1999Film: Bill Alfonso (Manager)
  41. 1999ECW House Party 1999Film: Bill Alfonso
  42. 1999ECW Guilty as Charged 1999Film: Bill Alfonso
  43. 1998ECW November To Remember 1998Film: Bill Alfonso (Manager)
  44. 1998ECW Fan Cam: September 17, 1998Film: Bill Alfonso (Manager)
  45. 1998ECW Heat Wave 1998Film: Bill Alfonso
  46. 1998ECW A Matter of Respect 1998Film: Bill Alfonso (Manager)
  47. 1998ECW It Ain't SeinfeldFilm: Bill Alfonso (Manager)
  48. 1998ECW Wrestlepalooza 1998Film: Bill Alfonso
  49. 1998The Best of Shane DouglasFilm: Bill Alfonso (Manager)
  50. 1998ECW Fan Cam: March 7, 1998Film: Bill Alfonso (Manager)
  51. 1998The Best of The EliminatorsFilm: Bill Alfonso (Manager)
  52. 1998ECW Living Dangerously 1998Film: Bill Alfonso
  53. 1998ECW CyberSlam 1998Film: Bill Alfonso (Manager)
  54. 1998ECW House Party 1998Film: Bill Alfonso
  55. 1997ECW November to Remember 1997Film: Bill Alfonso (Manager)
  56. 1997ECW Fan Cam: October 31, 1997Film: Bill Alfonso (Manager)
  57. 1997ECW As Good As It GetsFilm: Bill Alfonso
  58. 1997ECW Hardcore Heaven 1997Film: Bill Alfonso (Manager)
  59. 1997ECW Born To Be WiredFilm: Bill Alfonso
  60. 1997ECW Heat Wave 1997Film: Bill Alfonso (Manager)
  61. 1997ECW Wrestlepalooza 1997Film: Bill Alfonso (Manager)
  62. 1997ECW Fan Cam: May 16, 1997Film: Bill Alfonso (Appearance)
  63. 1997ECW Fan Cam: May 3, 1997Film: Bill Alfonso (Manager)
  64. 1997ECW Fan Cam: May 2, 1997 (Barely Legal II)Film: Bill Alfonso (Manager)
  65. 1997ECW Barely Legal 1997Film: Bill Alfonso (Manager)
  66. 1997ECW Fan Cam: April 4, 1997Film: Bill Alfonso (Manager)
  67. 1997ECW Fan Cam: March 22, 1997Film: Bill Alfonso (Manager)
  68. 1997ECW Fan Cam: February 14, 1997Film: Bill Alfonso (Manager)
  69. 1996ECW Holiday Hell 1996Film: Bill Alfonso
  70. 1996ECW Fan Cam: November 23, 1996Film: Bill Alfonso (Manager)
  71. 1996ECW November to Remember 1996Film: Bill Alfonso
  72. 1996ECW High IncidentFilm: Bill Alfonso (Manager)
  73. 1996ECW Fan Cam: October 18, 1996Film: Bill Alfonso (Manager)
  74. 1996ECW Ultimate Jeopardy 1996Film: Bill Alfonso
  75. 1996ECW When Worlds Collide 1996Film: Bill Alfonso
  76. 1996ECW Natural Born KillazFilm: Bill Alfonso (Manager)
  77. 1996ECW The Doctor Is In 1996Film: Bill Alfonso
  78. 1996ECW Fan Cam: July 28, 1996Film: Bill Alfonso
  79. 1996ECW Hardcore Heaven 1996Film: Bill Alfonso
  80. 1996ECW A Matter of Respect 1996Film: Bill Alfonso (Manager)

Biography and credits from TMDB. This website uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.