Katherine "Kitty" Ko is one of the stars of Sidekick.
In "Days of Golly" When Golly Gee Kid told a boring story, we can see kitty barefooted but from afar.
In "News at 11AM" her right foot is shown when she is powdering Vana's face for the camera.
In "Eric and the Maxum Brain Factory" she with Vana Glama appears barefooted in swimsuit
In "Trip Van Twinkle Toes" Reveals that she has two left feet. Where appears totally barefoot throughout the episode to end. They appear to be stinky feet with scent lines at one point.