Whoa, not exactly the reaction he was expecting. A little fear or "What the heck?" sure, but not snarling.

"Whoa, hey, calm down. It's not--see, it's a piece of alien technology that bonded with me. To my spine. It's what gives me my superpowers to be a hero--a sort powersuit. So, yeah, it talks in my head--and I talk back. It's sentient. It's... I'm not gonna say harmless, but Khaji's a good guy, like me. We're kinda two halves of the same hero, here."