Possible Clues:

• Bowwow
• Kennelmate of Rover
• Rover's buddy
• Mutt's moniker, perhaps
• Fog dispersal arrangement once provided back at party
• Name on a dog tag
• Noisy reply to 'Do you have a dog?'
• Cousin of Spot
• If it's up, please be a little dogged
• Suppose you turn up at the party with a dog