Related Clues:

• I serve a need extremely efficiently
• He never dissents
• Menial servant
• Crawler
• Footman
• Sure Joe agrees with the politician with flattery
• Okay Tom won't take no for an answer perhaps
• He's inclined to agree
• Overly agreeable guy
• Running dog
• Smithers, e.g
• Sycophant, toady
• The boss' "echo"
• Mr. Smithers, e.g
• Obsequious underling