William Sierra
Acting
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…
Also known as
Bill Alfonso
Latest News
Known For
Raw
1993 · TV
WWF Wrestling Challenge
1986 · TV
Mid-Atlantic Championship Wrestling
1981 · TV
ECW Hardcore Heaven 1995
1995 · Movie
ECW Holiday Hell 1995
1995 · Movie
GCW: Joey Janela's Spring Break X
2026 · Movie
Battleground Championship Wrestling Presents ECW Reunion Show: A Tribute To The Extreme 2
2024 · Movie
The WRLD on GCW
2022 · Movie
ECW Big Ass Extreme Bash 1996
1996 · Movie
ECW CyberSlam 1996
1996 · Movie
WWE: Blood Sport ECW - The Most Violent Matches
2006 · Movie
WWE: Undertaker 20-0 - The Streak
2012 · Movie