Related Clues:

• Younger brother, say
• Bothersome kid
• Irksome individual
• Nettlesome one
• British bozo
• Black Flag target
• Source of annoyance
• Tick, e.g.
• Really simple Simon
• Pestiferous person
• Little brother or spammer, to some
• Gnat or rat
• Irksome fellow
• Starling, e.g.
• Slug, to a gardener