Ten years ago at WrestleMania 21, wrestling star John Cena celebrated his first WWE Championship victory at a sold-out Staples Center as the. Producer(s) · Jake One · John Cena and Tha Trademarc singles chronology. " Basic Thuganomics" (), "The Time Is Now" (), "Bad Bad Man" (). Audio sample. Menu. file · help. "The Time Is Now" is a song by professional wrestler, actor, and hip hop musician John Cena. He performed his own theme song, "Basic Thugonomics", and it was.