Guillermo Gonzales (born October 21, 1976) is an Italian singer, songwriter and musician.
From 1994 to 2008, Gonzales was the frontman of the Italian extreme metal band Mothercare, especially known for their collaboration with Mark Greenway from Napalm Death and Mieszko Talarczyk from Nasum.
After leaving Mothercare in September 2008, two months later he was called by long-time friend Davide Tiso to substitute Luciano George Lorusso as Ephel Duath's vocalist, but this experience came to an end shortly, as the band parted ways with their long-time label Earache in 2009.
Since 2012, he has been running several musical projects with Italian virtuoso percussionist , spanning from jazz to prog rock and from ethnic music to experimental music, collaborating with a vast range of musicians.
In 2014, he joined, as second vocalist, winners . a psychedelic folk-rock band where Sbibu plays the ground drums.