This one is an incredibly random thing to bring up, but I felt like putting it anyway.
Meta Knight can fight...
With his eyes closed.
Idk why I came up with that, but I felt like a warrior that strong can do that.
Also, whenever he tries to get Kirby to try it, Kirby ends up tripping and falling and they both have a laugh about it.
Dedede sucks at it and has knocked over a series of vases, a few paintings and even Daroach when he tries. He leaves it to the expert now.