Mr Rock is Hank's music teacher at Westbrook Academy. He is seeming the only teacher at his school that understands that Hank underachieves in his work because he is dyslexic. Mr Rock's lessons are normally always fun, and he doesn't believe in lesson plans.
Although he has grey hair, like nearly all characters, he has diesel grey eyes. He's normally seen wearing a suit.
Mr Rock is a funny, inspiring and outgoing person. He makes Hank's life at Westbrook more bearable.