Armor (Hisako Ichiki (市来 久子, Ichiki Hisako)) is a superhero appearing in American comic books published by Marvel Comics. Created by Joss Whedon and John Cassaday, the character first appeared in Astonishing X-Men vol. 3 #4.[1] Armor is a Japanese mutant who enrolled at the Xavier Institute as a teenager and retained her powers after the events of Decimation.