Yes you have to unlock them. The samurai is on the Azure Rainforest somewhere and the hexcaster is on the Sandy Barrens level somewhere.
click on spongebob
Beat the Hawanakajima scenario
do a level in hard mode
1.Justice 2.Purity 3.Compassion 4.Courage 5.Valor 6.Honor
Yes, they are: Unlock Everything "PumpkinEater" Unlock all Levels "KeyToTheCity" Unlock all Vehicles "AllFreeRides" Unlock all Career Events "LearnToDRIVE" Unlock All Events "ImReady" Unlock All Game Options "InsideJob" Unlock All Characters "Eeeeevil"
VV
click on spongebob
bobturd
you need to beat yukimuras story
you have to unlock him by playing the level he appears
do a level in hard mode
Beat the Hawanakajima scenario
Justice Purity Compassion Courage Valor Honor
yes but you have to unlock him sometime after 10 levels
1st,finish Kanbe's storyline once,then you will unlock Yoshihiro.Finish his storyline as well,then Tadakatsu will be unlocked.
To unlock Nene, you must complete the following steps: -Clear Story Mode with Mitsunari Ishida to unlock Hideyoshi Toyotomi. -Clear Story Mode with Hideyoshi Toyotomi. Trust me, It will work. That is how I and others have gotten it! =)
Check the manuals that came with the vehicle. There should be a card that has the code on it.