Robot with staccato voice (5)
I believe the answer is:
dalek
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">robot with staccato voice</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dalek that I've seen before include "SF villain" , "Foe of Doctor Who" , "Dr Who enemy" , "Who does one want to kill" , "Alien creation" .)