Played a bit more of FFS with Solidshark, and I'm definitely appreciating Billy Kane more, especially given that there seems to be frame traps with his DM. I thought he was busted, because his

~

+

/

stops alot, including projectiles, but I think each character has something that can specifically stop it, like Andy's elbow. Billy's air attacks suck, unless you use them as a counter, and even then sometimes they still suck. Geese's

stuffs them all of the time.

+

is good when used very rarely, since it can cross up with the right timing, and is invincible on startup (but its a very quick invincibility window).
Tung is pretty fun, too, although I didn't really start playing him til RB2, and then straight to NGBC. I'm starting to like Cheng, too...