জীবন্ত where the protagonist is a soldier?

Well ok he's the 2nd main character, he's the protagonists partner an i like him better sooo...:p

Briareos, an the guy পরবর্তি to him is what he used to look like (human form, yumm) XD oh, an he's from Appleseed

Sergeant Sagara from Full Metal Panic!

Roy আমেরিকার বন্য ঘোড়াবিশেষ from Fullmetal Alchemist ( well hes not the protagonist but hes a really important character )

Code Geass: The main character leads a terrorist force and the সেকেন্ড main character is a soldier in the army of Britannia.