For the multiplayer part of SC which of the following characters would you choose as your main combatant? Ghost: 
Available Weaponry:
# BOSUN FN92 Sniper Rifle
# E11 Lockdown Device
# E16 Lockdown Grenade
# BE3 Sticky Grenade
Firebat: 
Available Weaponry:
# Perdition
# Flamethrower
# Napalm Rockets
Marine: 
Available Weaponry:
# Flak Pistol
# Heavy Gauss Rifle
# Grenades
Infantry: 
Available Weaponry:
# Gauss Rifle
# BE3 Sticky Grenade
# Automated Chaingun
# Armored Flak Gun
# Torrent SR 8 Shotgun
# Decloaking Device