"Hyrule" is an artifact costume in the StrikeForce Kitty series, based on Princess Zelda from The Legend of Zelda video games.
Hyrule is the name of the Kingdom in focus of the games.
StrikeForce Kitty 2
"Hyrule" adds 20 strength, 13 health, and 21 speed to that kitten, for a total of 40 strength, 42 health, and 43 speed, from "notZelda".
StrikeForce Kitty: Last Stand
"Hyrule"/Zelda is a cosplay that can be obtained from defeated raccoons in StrikeForce Kitty: Last Stand, look on pages in the "Melee" category.