Hey Psiweapon =) I really like the idea of the scaredy hero, I'm sorry I didnt find this topic before because I would've been crit'n the hell out of you if I had found it...I still think there are a lot more things you could to to make the scaredyness more genuine...if that interests you.
The current zombie robot looks perfect, it's a simple animation but it achieves exactly what you set it out to do, you're really gaining some traction on this animation thang yourself =D
Funny little trivia: that typical zombie walk comes from Frankenstein, specifically it comes from a frankenstein that was blinded at the beggining of the movie, so he walked with his arms stretched out because he was trying not to stumble into things. EXCEPT in a re-edit they cut out the scene where they showed that had been blinded, so everyone just imitated that blind person motion for no reason whatosever...prolly cause it just looks creepy n cool :p