So, what is your favorite RPG? It can be for any system.
Chrono Trigger has a special place in my heart. It was a pretty fun and tough ride. I especially won't forget how happy I was finally beating that game.
Final Fantasy Tactics has a special place in my heart for the sheer amount of time I put into that game. However, once I played Disgaea, I could never play FFT again. It was just so slooowwww. Still, it was once my favorite.
I love Chrono Trigger

Grandia is another I really like along with Suikoden 2
Persona 2: Innocent Sin or Lufia 2.
Final Fantasy IX. My favorite game!
I also loved Dragon Quest VIII and Chrono Trigger.
Well, this is more of a Strategy/RPG, but I always love playing Disgaea. Even if you finish the game, you can still make the strongest team ever and OWN every gamer in the WORLD >

Tales of Phantasia, hands down.
What a classic.
Overall: Chrono Trigger
Gameplay: Riviera: The Promissed Land
Fun: Epic Battle Fantasy 3
Definitely Tales of Vesperia, it did everything right and more.
Fallout 3 with mods, would be my pick. I've sunk hundreds of hours into that game.
Baten kaitos on GameCube.
Awesome game !
I also loved Pokemon B/R, FF IX and recently Radiant Historia !
1)Skyrim/Oblivion
2)Diablo2
3)Tales of Symphonia
4)Fable
5)Breath of Fire 2
Hard to say, but I could name some games. Chrono Trigger, Pokémon series, Mass Effect 1 and 2 (didn't play ME3 yet), Star Wars: Knights of the Old Republic II: The Sith Lords, Chrono Cross, Final Fantasy VI, Final Fantasy Tactics, Final Fantasy Tactics Advance, Final Fantasy XII.
There are more, but those are the ones I could remember now. Also, couldn't beat all of them, unfortunately.
Deus Ex: Human Revolution and Skyrim probably took the most hours from my life... other than that Chrono Trigger and Dragon Quest 9 were addicting.
I really enjoy the Final Fantasy, Elder Scrolls and Pokemon series. But my favorite RPG would have to go to Super Mario RPG: Legend of the Seven Stars. It was my first and still holds a special place in my heart to this day.
PS. Haven't played Chrono Trigger (it's on my list of stuff to play) but I'm sure it'd be up there as well.