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Mark Grigsby

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Mark Grigsby
Mark Grigsby
Nickname(s) Dirtymouth[1]
Rank Former lead animator
"I started rapping way back in the day...."
— Mark Grigsby

Mark Grigsby was the former lead animator at Infinity Ward.[2] He lent his likeness and voice to SSgt. Griggs in Call of Duty 4: Modern Warfare, and sings the "Deep and Hard" during the credits.


  • "I started rapping way back in the day. I had a crew and everything. But my passion was animation, so I had to leave my crew and do my thing."
  • "They were looking for inspirational songs for the end-credits. I definitely love Boot Camp Click and love Sean Price, so I'm like 'Let's get a Sean Price.'"
  • "I still rap here and there."
  • "We wanted something more personal and everybody wanted me to do it. So I did the end-song credit."


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