Board Thread:Metal Gear Solid V/@comment-98.212.103.95-20140305212853/@comment-1672596-20140305213841

Nope, definitely not. Considering that Otacon and Naomi refer to Drago as not only a stranger to them, but also someone who is clearly still alive, there's no way Huey could be Madnar. Don't forget, Huey drowned himself, as both Emma and Otacon made very clear in Metal Gear Solid 2.