Possible Clues:

• Illusory achievement; mythical beast
• Monster caught a man having taken some time
• Fancy doorbell, perhaps: first class
• Vain, foolish, or incongruous fancy
• Fancy having accord with soldiers!
• Campanologist with a wild dream
• Fancy leaders of radio appear after jingle
• Illusory aim; monster
• Unlikely a rich crossword setter's included - that's fantasy
• Ringer with a vision