Lydia

Normally, it wouldn't have worked -- hell, normally they wouldn't be in this predicament in the first place. He would have felt Sylar (Samuel) in his head and he would have been able to fight him off, just as he would have been able to fight her off now, but Samuel had broken something in him in possessing him in the first place. He'd done it again when he'd put Peter in his sway and as such, at the moment, he had no will to fight back and he stilled abruptly, watching her with hateful eyes.