Pokemon
Legend of Zelda
Animal Crossing
Super Smash Bros
Kirby
Team Fortress 2- if you ever see a "Pohatu Uniter of Stone" player, its me.
Monster Hunter
Splatoon
Touhou. Its hard, but fun and rewarding!
Lord of the Rings/Hobbit
Harry Potter
Encyclopedias
Reading in general
The Adventures of Dr. McNinja
Anime, specifically the following:
One Punch Man
Fullmetal Alchemist: Brotherhood
Squid Girl!
My Hero Academia
Parasyte
Nichijou
Monster Hunter Stories: Ride On!
Monster Musume
Monty Python
Doctor Who
And food. Food is a relevant interest. But I am very picky. I'd much rather have a bag of raw green beans and two hard boiled eggs than a pizza or burger. (Despite the fact that I wrote this in, like, 2012, its still true!)