berserk - Berserker - it whacks stuff

float - Technician - builds stuff

medic - Medic - heals stuff

gunner - Gunner - Kills stuff.  Grenade Launcher and Machinegun.

tank - Tank - Like above, but moreso.  Rockets, Laser, Flamethrower

chick - Chick - Rocket girl.

parasite - Parasite - Nasy sucking dog thing.

lightsoldier - Light Soldier - Weak soldier thing, has laser

soldier - Soldier - Not quite so weak, has shotgun

mgsoldier - MG Soldier - Has machinegun

flamer - Flame Soldier - Can I interest you in propane products?

brain - Brain - Camper.  Hides from stuff before leaping out on it.

flyer - Flyer - Harvester.  Can build Central Things, Infantry Pressess, Turrets, Resource Points

hover - Icarus - flies.  Has laser.

carrier - Carrier - produces little yellowjacket thingies.

infantry - Infantry - Basic soldier thing, with machinegun, can whack stuff with it.

mutant - Mutant - Like a kitten, except for the cute, cuddly and harmless bit.

gladiator - Gladiator - Railgun and funky rhythm stick.

grunt - Mercenary - Basic soldier of fortune.  Variants: Normal, Corporal, Heavy Weapon Trooper

recycler - Battlefield Recycler - Goes around tidying up.  Produces BoneBoys.

boneboy - BoneBoy - Nearly useless blocking type unit.

//Defunct entries
flipper
cruiser
submarine