Obviously as a FF dork:
Final Fantasy IV
Final Fantasy V
Final Fantasy VI
You can ignore mystic quest. There's non-SNES versions, FFIV has a 3D version on the DS and the playstation version of VI has extras, but come on, SNES versions are where it's at.
Also:
Star Ocean
Sword of Mana
Tales of Phantasia (Same game series as Tales of Vesperia)
And lets not forget, Super Ghouls 'n Ghosts (as already mentioned). I played it around a friend's, I'm sure you'll be in for a treat.

I gave up on the first level and I don't think my friend has ever completed it.

Next time I'm round there, I'm gonna freaking beat it.
Click!
