El Vez (born 1960[1]) is the stage name of Robert Lopez, a Mexican-American rock and roll artist,[2] who performs and records original material and covers classic rock songs. Mixing the styles of Elvis Presley and many other American rock artists with his own Latin-American heritage and music, he is known for expressing revolutionary views through his the satire and humor in his songs.[3] El Vez was once a contestant on the game show To Tell the Truth.