Favourite Visual Artist
There are the established ones, Like Lars Lerin, Frank Frazetta and H.R. Giger. But then we have all the awesome artists that exist on sites like this one, and it makes them too many to list.
A slew, but Princess Mononoke easily tops the list.
Favourite TV Shows
Farscape, most Sci-fi shows. And maybe two or three non sci-fi shows.
Favourite Bands / Musical Artists
Ayreon, Chopin, Angelica, Dream theater, and the list goes on...
Justina Robson, Charles Stross, Bertil Mårtensson, Alistair Raynolds, Ann Leckie, and more.
Favourite Gaming Platform
A table just high enough that you can have eye contact with your players beyond the gm-screen, otherwise my desktop computer with Linux Mint.
Tools of the Trade
Blender, 0.3 mechanical pencil and erasor pens, Wacom Intuous3 with Krita or GIMP.
Drawing, Writing, Analysis, Pen and paper RPGs, making stuff