I grabbed a Little Mac right as he started the KO punch animation. Apparently it's possible to grab him in the middle of the move. I panicked when he started to use it and pressed grab, and I apparently caught him after the punch started but before the hitbox made contact with me. The voice clip of the punch played a couple of frames or so after I was holding him. It was weird as hell, but I ain't complaining lol. It allowed me to avoid a KO punch
It's something else to add to the exceptionally long list of reasons why Little Mac is low tier