Andy; No real weaknesses, but can repair units in a middle of a battle
Max; Strong direct combat units, but crappy artillery
Sami; well trained troops, but crappy ground vehicles
Olaf; good in snowy weather, but sucks in rain
Grit; really good artillery, but crappy direct combat units
Colin; cheap units and makes money fast, but weaker units
Kanbei; expensive unit but stronger units. (Kind of the opposite of Colin)
Sonja; good recon and intellegence, but units sometimes have weak firepower
Sensei; good helicopters and infantry, but crappy vehicles and naval units
Eagle; awsome airforce, but crappy navy
Drake; (opposite of Eagle) awsome navy, but crappy airforce
Jess; awsome ground units, but crappy navy and airforce
Flak; sometimes units have stronger firepower, but they sometimes have weaker firepower
Lash; increased terrain advantages
Adder; fast units
Hawk; strong units
Sturm; even stronger units