Related Clues:
- Undercover agents
- Cloak-and-dagger types
- Ants and weeds
- Roaches, ants, etc.
- They're bothersome
- Gadflies, e.g.
- Agents 86 and 99, in "Get Smart"
- Flies and gnats
- They might be smoked out
- Black and white Mad magazine figures
- Spray targets
- Ones you want to swat
- Annoying people or things
- Prohias' adversaries
- Bug specialists?