So, I was directed here by DanGR.. I'm a ROB player and play with a fairly good Oli on a regular basis.
The Gyro isn't as all-important as you guys seem to be making it out to be. Sure, it's nice to have, but lasers recharge in 1 second. FTilt and FAir knocks pikmen away. ROB still has the camping advantage. Don't bother trying to out-camp him.
Approaching ROB: The best ways to approach are either well-spaced grabs (all but purple pikmen grabs out range most of our moves) or pretty much anything else you do that's well spaced. Oli is one of the few, if not the only character in the game that can out-range ROB AND has disjointed hitboxes. Learn to abuse your range much like a ROB does.
If you do decided to hold the Gyro away from us, don't just hold onto it. The best idea is to get to where there's nothing above you (either stand on top a platform or just find groundspace with nothing above) and smash-throw that ***** straight up. So long as the Gyro isn't stable on the ground, it won't disappear. If you're nimble enough to continually grab it on the way down and repeatedly throw it up, we're out of a Gyro for a large part of the game. Even if you only throw it up once, we're still SoL for at least a few seconds.
On the topic of the Gyro, don't expect to be able to just pick it up. If I notice someone moving towards the gyro and it seems that they're going to pick it up, I'll laser right at the gyro. It normally either hits before they grab it or right after, and on a seldom occasion, the weak laser is enough to knock the gyro right out of your hands.
On the topic of gyros. If the ROB is holding on to it and about to glide toss, >B toss a pikmen into it and then FSmash the ROB or whatever you want to do. Only thing we can do about that is spot-dodge or shield. If we don't actually glide toss, who the eff cares? You tossed a pikmen that may latch onto the ROB and you're essentially off scot free. Maybe a 4% laser (more if it's charged).
Off edge: Don't bother. ROB has one of the best off-edge games. Oli has one of the worst. He doesn't even have to leave the stage to **** you. Toss a gyro if you're going low, laser if you're level/high. Even if you're good with the whistle SA frames, it won't be much solace. You lose height and the ROB can just jump out to FAir you from there. If the ROB decides to chase you off instead of laser/gyro from the stage, you're screwed too. FAir ***** you. Trade hits = death. Whistle SA = ROB BAirs right after so you go even lower or you get stage-spiked if low or the ROB can just DJ DAir spike you for the kill. If you're awesome and Whistle SA BOTH of those, you're probably too low to do **** anyway.
Moral of the off-edge ****? ALWAYS try to recover really high. Like..really high. Double Jump + Laser goes high, but you should be recovering higher than that. Just watch out for a gyro being thrown straight up.
That's all I can really think of right now. I won't be checking this thread any more though, so PM me if you have questions about what I said. I don't mind being quoted from my PMs, I'm just too lazy to come back here again. XP
OH YEAH! Red Pikmen are your friends. Not being able to blast them with all his "booster" moves = suck.