Brony, MAH-VEL (Guardians of the Galaxy was EPIC, by the way), DC, RWBY, Red vs Blue, Final Fantasy, Mortal Kombat, Super Smash Bros., Fire Emblem, Totally Spies, Mega Man (specifically Megaman X and Zero), LEGO, hmmmm, I'll think of more eventually.

Oh, yeah! Inventing characters. Not for anything, just making up characters.