Video game hedgehog (5)

I believe the answer is:
sonic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">video game hedgehog</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sonic that I've seen before include "Boom of jet aircraft" , "Type of boom" , "Relating to sound waves" , "seven hundred and forty three mph!" , "of noise" .)