![Maj. Gen. James 'Maddog' Mattis](https://static.hbo.com/content/dam/hbodata/series/generation-kill/character/james-mattis-1920.jpg?w=1200)
Maj. Gen. James 'Maddog' Mattis
Played by Robert Burke
"You got seven thousand Marine riflemen who have been ready to go for the last twenty-four hours. And you're standing here with your foot on your d**ks, no, check that, not your d**k, my d**ks."
Mattis is Commander Marine Corps 1st Division.