Beat Crusaders (ビート・クルセイダース Bīto Kuruseidāsu?, typeset as BEAT CRUSADERS) were a Japanese rock band active from 1997 to 2010. During all promotional appearances, their faces are masked by drawings resembling themselves as printed by a dot-matrix printer. In 2006, the band's music made its first American appearance as the opening theme song, "Hey x 2 Look x 2" (Aka "Hey Hey Look Look") to the Nicktoons animated series Kappa-Mikey Spectrogram: [](https://ibb.co/h7hUQk)