Most of the options their, I consider about the same, especially role-playing, novels , and video games. But why i consider video games more, is because its more of a visual-like seeing their creations and characters-it inspires me to create something cool as well.
My influence was a little bit of everything but the strongest would be film. Growing up in the 80's many films made me interested in Fantasy/Sci Fi. Here's a few: Aliens, The Dark Crystal, Tron, The Thing, Conan the Barbarian, The Beastmaster, Krull, Dragonslayer, The Never Ending Story, Willow, Terminator and Back to the Future.
Both of my parents love to read, and their favorite genres are sci-fi and fantasy. Growing up as an only child, there were tons of books lying around the house, so I started reading. Now I write my own stories.