2 excellent points were made. The Jesse dude does have the same kind of thing as Echo. But Echo wasn't a "bad" guy. I guess the just used the idea. Whatever.
Next, headphones guy. I thought the same thing. He is just a re-vamped version of Isaac! But Isaac couldn't share his visionary power. However, Parkman as a junky would be kinda fun!
How's about Sylar as June Cleaver!?