Favourite TV Shows
My Little Pony: Friendship is Magic, Doctor Who, White Collar, Chuck, Psych, Person of Interest, etc.
Favourite Bands / Musical Artists
The brony community, seriously. There are a lot of others like Weird Al but listing them would take a long time.
Favourite Books
The Sherlock Holmes series
Favourite Writers
Sir Arthur Conan Doyle
Favourite Games
Hmm, there's Portal, Mario Kart, Assassin's Creed, The Elder Scrolls, LittleBigPlanet, and so on.
Favourite Gaming Platform
Either the Gamecube, Nintendo 64, or the PS3.