Possible Clues:

• Dingle's rum cocktail produced by one who is hoping to get dirt on others presumably
• One making accusations
• Scandalmonger
• Indulge Mrs Rock - she's digging up the dirt and is prepared to use it
• ''Dirty stuff on the field at school is not going to go away'' - is the originator of a smear campaign
• 'Dirty stuff on the field at school is not going to go away'' - is the originator of a smear campaign
• Disparager’s bad name sons endure
• First three from Musaeus about died, stick around for one to hurl abuse
• Caster of malicious slurs
• Greek character, police officer, last person to abuse