Possible Clues:

• One taking off from capital city on time, touring an excessive amount
• Knock back poet whose work is taking off?
• Average poet, an imitator of others
• One taking off Dior dresses in old days
• Weird Al Yankovic, e.g
• Imitator of style in a sport I'd transformed
• One copying Patrick Troughton, initially a gun is held
• Lampooner
• Writer of satirical works
• Standard lyricist who produces satire