Featherknight Crossover Bundle

Inspired by the Pengu Featherknight Mei I created last month for my husband I got commissioned to draw a Miku Featherknight, too!
I really liked the idea of doing some more characters as Pengus - so here they are! I would totally adopt Pengu Serenity in her tiny dress! xDD

Which other characters would you like to see as Pengu Featherknights?