|Full name||Rokka Hiruma|
|Japanese name||蛭間六嘉（ひるま ろっか）|
|Relatives||Ichiro Hiruma (brother)|
Shichisei Hiruma (brother)
|Manga Debut||Chapter 37|
|Anime Debut||Episode 10|
Rokka Hiruma (蛭間六嘉 or ロッカ, Hiruma Rokka) is a Japanese man and the younger brother of Ichiro Hiruma.
Annex I Arc (2619 A.D.)Edit
Rokka was first seen in the German U-NASA branch, talking with Jessica Bellwood about Adolf's crew death and the call from Adolf's wife. Then they started discussing Akari and how he was artificially manufactured creature, meaning that someone was able to succeed in his experiment 20 years ago.