The Silent Hill series took a lot of inspiration from the movie Jacob's Ladder, such as stairs that go to nowhere, and shaky heads.
The similarities between the "Star Ocean and Tales of series aren't coincidental. During the development of Tales of Phantasia, Half the development team left due to creative differences and started a company of their own called Tri-Ace. The creator of Star ocean.
Final Fantasy did not get it's name because Squaresoft thought it would be their last game. They simply wanted a title that had two Fs, and Fighting Fantasy was already taken.
Super Mario's original name was Mr. Video
The first ever action RPG was a game called Dragon Slayer, developed by Falcom. The company responsible for the Ys and Legend of Heroes series.