Related Clues:

• 'Who goes there?' comeback
• Homecoming cry
• Reply from the other side of a closed door
• Reply to ''Who's there?''
• Response to ''Who's there?''
• Casual reply to "Who's there?"
• Words punctuating a rap
• Not always helpful reply to 'Who's there?'
• Not always helpful reply to "Who's there?"
• Knocker's proclamation
• 'You know who this is'
• Formal reply to "Who's there?"
• Overly formal self-intro
• Reply to "Who's there?"
• Formal ''Who's there?'' response