Vocals
Guillermo "Gilly"
The voice behind Undisputed, delivering every lyric with conviction, honesty, and heart.
Undisputed came together around a simple idea: write the kind of songs we'd want to hear in a packed room. Heavy when they need to be. Honest when it matters most.
Every riff, lyric, and breakdown is built from real experiences instead of chasing trends. The goal has never been to fit into hardcore—it has always been to contribute something worth remembering.
From local venues to larger stages, the approach never changes. Show up, leave everything on stage, and make every performance count.