Dororo, and she was gifted with a sword that, when freed from its chain, gives her ninja's clothing along with a white scarf and a silver mask over her eyes. She assists the Keroro Platoon in rescuing Chiroro from Viper until Karara gets taken hostage by Keroro in a Viper Pekopon Suit. While a reformed Viper grabbed Keroro, Dororo destroyed the Pekopon Suit with his attack "Blade of the Phoenix." Karara landed in the arms of Giroro and fell in love with him while Keroro was arrested. While entertaining the angry 753, Keroro gave Karara and Chiroro, and then they had successfully turned 753 back to normal, and thus, she fell in love with Keroro. Her Animal form is Lion. Chiroro Voiced by: Natsuko Kuwatani (Japanese) is the best friend, twin sister to Karara, and daughter to Dibaba. She first appears as a fellow ninja with Karara to impress Dororo. Her body is light yellow with white headgear. She still has her tadpole tail and has a no entry sign on her belly and forehead. Chiroro and her sister, Karara, visited Dororo at his dojo in episode 121. She followed and irritated Viper, who she thought was a transformed Dororo, but she brought back his memories of his past. When Cool Big Brother Viper takes Karara hostage, Chiroro tells Viper how much she cares for Karara and does not want her to get hurt. Her words reform Viper, and Viper and Dororo work together to destroy Keroro disguised as Viper (for money) and rescue Karara while Viper leaves, promising to see them again. Her Animal form is Penguin. Dobaba Voiced by: Hidekatsu Shibata (Japanese) is the owner of the influential Dobaba Industries (similar to Nishizawa Corporation in Pekopon) and father of Karara and Chiroro. He demanded marriage for Karara, who then left for Earth. He hunted her down and prepared to capture her until she escaped with Tamama, while Dobaba never appeared again. Joriri Voiced by: Jun'ichi Sugawara (Japanese) is a childhood friend of Keroro, even though Joriri is clearly much, much older. Joriri is a faded green-grey Keronian with stubble and thinning hair and prone to propping his foot up on something as he dispenses advice and life lessons from his years of experience. His symbol is a fat stylized capital, J. After lending a subtle guiding hand to Chibi Kero and the company, he reappears on Earth in