A former colonel in the Earth Federation Forces, who becomes the leader of the civilian resistance movement after the Crossbone Vanguard attack the Frontier Side. Cosmo decides to turn the training ship Space Ark into the resistance headquarters, and the arrogant attitude he displays towards soldiers and civilians alike soon earns him the enmity of Seabook and the Space Ark crew.
Gundam F91 characters
|Earth Federation||Seabook Arno | Cecily Fairchild | Leahlee Edaberry | Birgit Pirjo | Monica Arno | Gruce Erras | Nanto Roos | Manuela Panopa | Cain Sohn | Jessica N'guro | Manu Sofu | Dina Jyok | Kaynee Hahhah | Bardo | Cosmo Eigesse | Elm | Minmi Editoh|
|Crossbone Vanguard||Iron Mask | Cecily Fairchild | Meitzer Ronah | Zabine Chareux | Dorel Ronah | Annamarie Bourget | Gillet Krueger | Theo Fairchild|
|Civilians||Reese Arno | Dwight Camry | George Azuma | Sam Ehrug | Dorothy Moore | Leslie Arno | Nadia Ronah | Bertuo Rodriquez | Migen Maujin | Leah Mariba | Kochun Hein | Arthur Jung | Roy Jung | Robar | Chris|