Marik, who is this "decent" Ike you keep talking about? Because chances are he sucks, especially based on what you think of the match-up. For crying out loud, you mentioned Fsmash as if good Ikes will randomly throw it out after a dash attack. Watch videos of Kirk, San, or metroid. They are good Ikes. If they use Fsmash, it hits more often then misses
because they know when to use it
And Ike combos. What part of "Jab
Combos" says that he can't combo? Nair -> Jab -> Grab -> Bthrow -> Dash Attack is a combo right there, with a whooping 1 or 2 frames in which you can escape from. And I have yet to seen anyone escape a jab -> grab attempt.
BTW: You must not have read that "How to properly discuss match-ups" topic. Baiting is a HUMAN thing, not a character quality. Same with predictability. We're not talking about human qualities, but character qualities. I could argue Ike can bait well with Nair due to it's ACing, and the fact if we bait an AD, you will get hit with Uair due to the fact it outlasts ADs. The baiting part is irrelevant. The only good bits of info that I said in the last sentence is that Nair ACs and Uair outlasting ADs.
EDIT: I don't know if Sharky is considered a good Yoshi, but Kirk VS Sharky
http://www.youtube.com/watch?v=7kcXRimxafw
Notice the last KO by Kirk.