to take pride in his bad attitude. Whenever something bad happens to another character or is blamed for doing something, he laughs in a medium- to a high-pitched voice saying "Kekekekekekekeke." Despite his attitude, he gets along quite well with Mutsumi, his human friend, and Aki Hinata, with whom he has a stalkerish crush. Kururu and Giroro greatly loathe each other due to their vast differences (brain vs. brawn). As a result, Kururu usually uses Giroro as a guinea pig for any invention that he creates. His name comes from the Japanese word for the phrase "round and round" ("kuru kuru"), referring to the spirals seen on his glasses. Dororo Voiced by: Takeshi Kusao (Japanese); J. Michael Tatum (English, Funimation dub), David Lee McKinney (English, Animax Asia dub) is the last of the platoon to appear. His body is medium blue (although painted completely black in the manga) with light gray ninja-like headgear and mouthpiece. His forehead and belly mark are four-pointed shuriken, and he always carries a sheathed knife on the back. His pink Afro is the one seen more rarely. Then known as , he graduated from the Keron Military Academy under the rank of Lance Corporal. After serving alongside Zoruru in an elite assassin squad, under the command of Captain Jirara, he was assigned as the assassin of the Keroro Platoon alongside Keroro, Giroro, Tamama, and Kururu. They were given the mission to conquer Pekopon. After a crash landing on Pekopon, Zeroro was rescued by ninja-in-training Koyuki Azumaya (in the anime, he was rescued by Koyuki and her dog Zeroyasha). Wishing to follow the way of the ninja, Zeroro changed his name to Dororo. His reunion with the rest of the platoon does not start well since he resigns because he no longer shares their invasion objectives and wishes to embrace his new life as a ninja on earth. He tells Koyuki that life with her and the peacefulness of earth brought him a new life perspective. However, after he and Koyuki are captured by Viper and the platoon comes to rescue them, they mend their friendship after Keroro tells him that he broke his music box and that he wishes their friendship can be mended. He eventually rejoins the platoon after making them steam a bit. In the manga, he and Koyuki move to a house beside the Hinatas, but they live in a small traditional