Bert or Ernie (6)
I believe the answer is:
muppet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bert or ernie</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for muppet that I've seen before include "Jim Henson puppet" , "Fool - Jim Henson creation" , "Idiot" , "Weak person (informal)" , "Kermit, Fozzie Bear or Animal?" .)