William Matthew Alfonso (August 11, 1957) better known as Bill Alfonso is a former professional wrestling referee and manager. 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.
Alfonso was seen at ECW One Night Stand 2006 after Rob Van Dam won the WWE Title, as he celebrated with him and the rest of the then-ECW Roster.
- Wrestlers managed by Alfonso
- "The Best Manager in the Business"
- "The Manager of Champions"
- "The Man Who Calls It Right Down the Middle"
- "The Vice President of Extreme Affairs"
- "Big Money