The Milk Monster
Smash Champion
Fight a Snake that mines a platform, and camps grenades/tilts under another platform. It's not easy to get around. I'll admit you do have the advantage when Snake is on a platform, or sometimes when Snake is recovering, but that's only part of the time. His stage control is just ridiculous.
Brinstar is also good for Snake, but again, Kirby has some tricks there. I played in a small online AiB tourney last night (I placed second :D MK came in first of course) and there was a Snake. I played him on Brinstar, he wasn't an amazing player, but he was still a challenge because it was Snake+wifi. Anyway, Brinstar isn't too bad for Kirby, if the Snake isn't familiar with your tricks. I got a nice KO with the extended range/duration hitbox of Stone on the part of the stage that splits it into two. I wouldn't necessarily pick it against Snake, but I personally wouldn't ban it either, in case he chose it as his CP.
I upthrew him on the top platform, and he didn't even die at like 150% + -_- Snake's too broken
...can Snake not pull a grenade out during these things?
I will never deny the fact of Snake being broken, Snake mains will be the first to admit he is broken.
Super grats on the 2nd place too.
And about the grenade thing, I haven't had enough Pika experience to say.