User blog comment:The shy platypi/Super Smash Bros. Wii U/3DS' Final Presentation/@comment-12408658-20151209214053/@comment-6684591-20151211221135

If you ask me, why not give Ice Climbers the Rosa X Luma treatment? Give them a single-skeleton attack pattern and make Nana function like the Luma of the duo, where Popo would be able to keep fighting if Nana gets KO'd but if Popo dies, they're both done.