Related Clues:

• Pitcher, of a sort
• One whose work may be catchy
• Hyper?
• Propagandist's hard work, always penning article
• Sore troubled with angel being the bearer of a message
• Use catchphrases from big hit - a sound approach
• Hard work never stopped a man spouting clichés
• Perceptive person about to record article for sound bite producer?
• Work hard on article always as one promoting a cause
• Ad agency specialist
• Advertising professional in general so phoney
• Inventor of memorable phrases for campaigning
• Genre also difficult for advertising worker
• Catchphrase inventor having drunk one's lager
• Hard graft never inspires a writer in the advertising industry