[...when Mouri puts it like that - yeah, they're... certainly a bunch of something.

As for Mettaton...]

...I'm not an expert in this. [Why are you even asking him, Mouri.] My main assumption is that he simply transferred his mind - his 'soul' - into the body that he's now in.

[He did say before that his 'soul' and the motherboard was different, so...]