Proof. Luis Ernesto Perea Valdés is known as Proof a.k.a. Dr. Manhattan. Originally from Mexico City, he composes songs with themes ranging from social criticism to street experiences. His lyrics are complex and his songs refer to literature, music and popular culture.

The singer has collaborated with key figures on the scene such as Akil Ammar and Aczino, among many others, and with talents of the new generation such as Bizor, Señor Marrano and Geassassin. In 2023, the Cypress Hill concert opened at the Velodrome Stadium in Mexico City. He is currently preparing for the release of his new album “Australian Parakeets”, which marks a milestone in his artistic career.