His. It's pretty much just Trent, and whomever he decides to bring on stage for live performances/tours.
And NIN is nothing like Linkin Park, unless you're some lukewarm trance honkey who thinks anything remotely emotional is 'emo'.
//I will however say that I really despise Something I Can Never Have, but that's a pretty fucking early song.
There are more things in heaven and earth, Horatio,
Than are dreamt of in your philosophy.