Steel thy hair.
http://www.nintendoworldreport.com/news/44944/blaster-master-zero-13-update-adds-two-more-characters
Some more guest characters of prominence are coming to Blaster Master Zero.
Inti Creates announced at their panel at Anime Expo today that the upcoming version 1.3 update would enable support for two more DLC characters: Shovel Knight and Shantae. Shantae will arrive on Thursday (July 6) while Shovel Knight will dig in on August 3.
As with previous DLC, both will be free downloads for two weeks before costing US$1.99 ea.