I made this in 6 hours DD:
hmm? How did I come up with this you ask?
well if you recall correctly from episode 43/chapter 79 bossun said his fav 'genre' is a show with transforming and combining well basically what came to my mind was Digimon Xros Wars but I think it was meant to suggest Voltes 5 or something...
oh and also bossun's the only goggle wearing 17-year old I know and for that he rocks. Hehe as for Himeko just check their seiyuu
Himeko and Bossun from SKET dance by Shinohara Kenta
Akari and Taiki from Digimon Xros Wars by Toei, Bandaihearts are misleading : D