[It's the green person... Don can't help but notice anybody green. It gives him a weird sort of homesickness, which mixes with the anxiety that dream has conjured up.]

Sorry about startling you. It's kind of a ninja thing.

[A beat, as the newcomer's statement sinks in:] ... So it wasn't just some kind of Turtle-related mental manipulation, huh? I'm not sure if that makes this more or less understandable. [He's not sure if it should make it either.]