I personally have three. Good Cole (1) Jak (1) Emmett (1/2) Raiden (1/2) Reasons for the one half is because I am learning Raiden but I don't use him a lot, and I find Emmett really fun to play as and I win often with him. Plus I think he is a bad **bleep**
Jak for mobility, Nathan for versatility, Radec for long-range, Heihachi or Parappa for combos and Zeus for bruising.
I like to make PSASBR move-sets. Here's a few:
Never say I don't contribute: I'm The Idea Man.