"Iron lady" is an artifact costume in the StrikeForce Kitty series, based on Samus Aran in her Power Suit.
StrikeForce Kitty 2
"Iron lady" adds 8 strength, 3 health, and 6 speed to that kitten, for a total of 29 strength, 33 health, and 29 speed, from "Aran".
StrikeForce Kitty: Last Stand
"Iron lady" is a cosplay that can be obtained from defeated raccoons in StrikeForce Kitty: Last Stand, look on pages in the "Melee" category.