William "Bill" Brinias (born September 27, 1970) is a guitarist from Chicago. Bill, currently a touring guitarist for the band Lovehammers, has been coined "Cousin Bill" by his fans. Bill is first cousins with Lovehammers bassist Dino Kourelis and drummer Bob Kourelis.

Bill graduated from Illinois State University where he played in the band "Wood" and "Subject to Change". He grew up listening to 70's rock bands AC/DC, Thin Lizzy, Led Zeppelin, ZZ Top, and The Who. Bill's playing style often reflects the influence of these legendary artists.

Bill's love of music can be felt through his masterful guitar playing. During live performances, Bill exclusively plays Gibson Guitars and Marshall Amplifiers. Most often, Bill can be seen playing a 1976 Les Paul Deluxe.

Over the years, Bill filled in for Lovehammers guitarist, Billy Sawilchik. In early 2009, Bill was asked to join Lovehammers as touring guitarist. In addition to his touring guitarist duties with Lovehammers, Bill has also performed acoustic shows with Marty Casey, lead singer for Lovehammers.

While performing as a touring guitarist for Lovehammers, Bill has become a fan favorite among Hammerheads (Lovehammer Fans). In addition to "Cousin Bill" these Hammerheads often times refer to Bill as "#2".

In addition to Bill's Lovehammer credentials, he has also written, recorded, produced and performed with the bands "Neighbordater" and "Chickenwire".