Package Soldier
Someone who lets their package do the talking to get others to do their bidding.
His package did the talking and got the whole office to work overtime. No one even noticed it was a trap.
She let her package do the talking and got the barista to give her free coffee. The barista didn't even know what hit her.
He let his package do the talking and got the mailman to deliver his mail at midnight. The mailman was too tired to say no.