Everybody who doesn't know the individual artist names per track tends to assume all of the songs were Brimble (including the Skinny Puppy and Type O Negative songs that were advertised on the back of the box, lol).  If he didn't post it himself the poster may have assumed.

We do know it was someone different now.
It sounds like the FX were assigned to the final song based on panning to the left or right, not actual mixer channels.  Makes me wonder what kind of primitive old software or hardware was used for it, or if it's just some kind of quirk of the mixing board to render it like that .  Also interesting how "midi" the guitar sounds before distortion.