Love that idea, Bingo. Also Mithrandir, you're spot on that palps wouldn't address a soldier (let alone a clone) by name.
You could even use the "commander" from ROTJ from the line "fire at will, commander". The inflection of it makes it sound like a question when it's isolated from the rest of the sentence.
e.g.
"Commander?"
"Yes, my lord"
"The time has come. Wipe them out. All of them."
*Montage*