The latest endeavor of Percy Carey, also known as MF Grimm, is the graphic novel Sentences: The Life of MF Grimm, based on his own life’s incredible twists and turns. Michele Crowe—Day by Day Entertainment Dec. 11, 2007 Facebook Twitter Reddit Print The latest endeavor of Percy Carey, also known as MF Grimm, is the graphic novel Sentences: The Life of MF Grimm, based on his own life’s incredible twists and turns. Michele Crowe—Day by Day Entertainment