Related Clues:

• M's subordinates
• Little brothers, often
• Agents
• Surreptitious types
• Secret agents
• Younger brothers, stereotypically
• Uses a tap, perhaps
• Bond's cohorts
• Mosquitoes, gnats, etc.
• Le Carré characters
• Pains
• Annoying people
• Notices
• Moles, maybe
• Moles, for example