Possible Clues:

• "Who me?" reply
• "Who else would I be talking about?"
• Answer to ''Who, me?''
• 'Me?' follower
• *Response to 'Who, me?'
• Answer to "Who, me?"
• Finger-pointing words
• 'Who, me?' rejoinder
• "Who else would I be talking to?"
• Answer to 'Who, me?'