Related Clues:

• Spam generator, briefly
• Message-spewing program
• Automated producer of spam
• Spam generator
• Droids and such
• Some spammers
• Nonhuman Twitter account
• CAPTCHA failer (hopefully)
• Spam-sending program, for short
• Automated spam creator
• Chatroom spammers
• Search engine spider, e.g
• Transformer, e.g
• Tweet creator, at times
• Spam sender