Suggestions please?

My buddy and I played games (mostly PC) together for a long time now. He has since joined the Navy and just got a 360. I don't know too much about the 360 games, and neither does he.
So I'm just asking for suggestions on good multiplayer games for the 360. Specifically some sort of RPG type, but whatever ya got just let me know ^^.

Fable II, it's an RPG, and it's got great online multiplayer!

Yeah..Fable 2...Excellent multiplayer. FF11 online is pretty good too I guess. Maybe some Phantasy Star Universe. Enchanted arms has online battle, and Too Human has Co Op.

Are you guys being serious about Fable there?

Hm. I'll look up some about these games.

Multiplayer RPG type? Wow you picked a winner there.

I hear Fable II has co-op, and I beleive Tales of (whatever) does too. Online though, no idea.

If you want multiplayer RPG is not the genre for you.

1.RE5
2. GOW 1-2
3. Too human
 And this is what I have on top of my head.

I can see how someone might mistake Resi 5 for an RPG if they have... absolutely no idea what they are talking about. But Gears?! How does anyone mistake that for an RPG?

Great games, maybe, but not RPGs for a second.

Not just the 360 though, I mean, there arent that many online multiplayer RPGs full stop.

I can think of maybe Monster Hunter (PS2/PSP) Phantasy Star (Dreamcast, PS2, Gamecube, PSP, PC) MMO's, and the ones mentioned above. Cant actually think of many more tbh.