Findings:

• Helper Bot Messages (collaboration)
• helper (user)
• chicken helper
• Tuna Helper
• helper bug
• Santa's Little Helper
• Mother's Little Helper
• The Helper
• helper function
• plumber's helper
• NPC
• Santa's Little Helpers
• NPC complexity class
• Gif Animation: Helper Classes
• NPC (user)
• Hamburger Helper
• Fourteen Holy Helpers
• Helper

If you Log in you could create a "helper NPC" node. If you don't already have an account, you can register here.