The grand prize winner who will see both of his creations featured in an upcoming 10-man Alert is Fryguy8544. Runner ups are Ubusunagami, Akwartz, Rianba, chezpizza, Azathoth-Sothoth, and CCat76; their villains will also be featured in the game.
Congratulations to the winners! To check out the winning submissions with their corresponding costumes, visit the official announcement linked below (you'll need to log in to the forums to see the pictures). And for those whose submissions weren't chosen this time, keep watch for the next waves of winners.