jtre89 I recommend starting off with weak grapples, because he can easily reverse a strong grapple. Whenever you get his health a little lower you can try strong grapples, because he'll just reverse it. He's very unpredictable so be careful.
James Bartee if you really think about it, Crack is very predictable. Notice how he likes to do mostly grabs. You can easily reverse his grapple and follow up with something. Because when you do the reversal, it stuns him long enough for you to follow up with something.