|Kat & Ana|
Kat left: Ana right
|Species / Type||Pekoponians|
|Date of birth||5 May|
|Family||Shuritana (Mother), Sasuke (Father)|
|Friends||Dororo, Koyuki, Shin Keroro, Higor Matos|
|Animals||Shadow (Dog), Shuriken (Falcon), Nunchuck (Rhythm Monkey)|
Kat (カット Katto?) and Ana (アナ?) are kindergarten-aged ninja twins. Kat has pink hair with a single ponytail. And Ana has orange hair with two ponytails. Ana is timid and quietly, while Kat is more headstrong and overall the dominant sister, though she cares for Ana deeply. The two live in an old-fashioned Japanese-style house in a forest along with their mother, Shuritana, and later their father Sasuke returns to them to live together. The two are descended from the Iga ninja clan, and attend Mystical Ninja Elementary just like Dororo and Koyuki's clan. They have Three pets: Shadow the Dog, Shuriken the Falcon, and Nunchuck the Monkey. They also appear in Higor and Friends.
- Kat and Ana's names come from the word Katana, a type of Japanese sword.
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