User blog comment:Dan12322/SHOVEL KNIGHT????/@comment-9557431-20150829011613/@comment-16216315-20150829142143

Actually from one of the articles I read was that it was going to be Proffesor Layton, Shovel Knight, and King K. Rool (based on him being trademarked), so it could be the three you said, and K. Rool.