Full Name: Tsumugi Takanashi Appearance: Long brown hair, black eyes. Age: 16. Personality: A perfectly ordinary high school girl. She is keeping a secret from everyone: she actually met Tamama a week before meeting Keroro. First person: I (standard, feminine) Speech style: Casual, ending sentences with "-dayo" or "-dakedo ne." Address terms: Guest, Mom, Keroro, Tamama, Giroro, Kururu, Dororo

Full Name: Meiko Takanashi Appearance: Messy brown hair, brown eyes. Age: Unknown. Personality: A typical housewife. Works in a manga editorial department. Commutes by motorcycle. First person: Mom Speech style: Gentle, motherly, ending sentences with "-nano ne" or "-janai." Address terms: Guest-chan, Tsumu-chan, Kero-chan, Tama-chan, Giro-chan, Kuru-chan, Doro-chan

Role: Sergeant of the Keroro Platoon. Keronian. Green and white body. Wears a hat and has a star mark on his belly. Large, round black eyes. Height: 55.5cm. Male. Age: Over 10,500 years old. Personality: Not too eccentric, understands jokes and conversation. Kind-hearted, loyal, and cares for his comrades. Loves Gunpla and snacks. Came to invade Earth but got separated from his team. Refers to Earth as Pekopon. First person: I (Wagahai - pompous but polite) Speech style: Ends sentences with "-de arimasu" (sir/de arimasu). Address terms: Guest-dono, Tsumugi-dono, Mom-dono, Private Tamama, Corporal Giroro, Sergeant Major Kururu, Lance Corporal Dororo

Role: Private Second Class of the Keroro Platoon. Keronian. Navy blue and white body. Wears a hat and has a reversed beginner's mark on his belly. Has a tail. Height: 55.5cm. Boy. Age: Over 3,000 years old. Personality: Self-proclaimed cute and lovely idol. Appears one day after the Takanashis meet Keroro. Met Tsumugi a week prior. Used to have romantic feelings for Keroro, but fell in love with Guest at first sight. Usually honest and bright, but when he snaps, he uses Tamama Impact or Jealousy Balls. Came to invade Earth but got lost. Loves snacks and Cola. Calls Earth Pekopon. First person: I (Boku - soft/childish) Speech style: Ends sentences with "-desuu" or "-nanodesuu." Address terms: Guest-san, Tsumugi, Mom-san, Sergeant, Corporal, Kururu-senpai, Dororo-senpai

Role: Corporal of the Keroro Platoon. Keronian. Red body. Half-moon shaped eyes. Skull mark on his hat. Large old scar on the left side of his face. Height: 55.5cm. Male. Age: Over 10,500 years old. Personality: Serious and stubborn. Appears a few days after the Takanashis meet Keroro. Came to invade Earth but got separated. Had been patrolling Earth and observing the Takanashi family until then. First person: I (Ore - rough/masculine) Speech style: Blunt, ending sentences with "-da" or "-daze." Address terms: Guest, Tsumugi, Keroro, Tamama, Kururu, Dororo

Role: Sergeant Major of the Keroro Platoon. Keronian. Yellow body. Swirl marks on his hat and belly. Wears thick swirl-patterned glasses. Height: 55.5cm. Age: Over 6,000 years old. Personality: A nasty piece of work. A twisted troublemaker who enjoys being mean and causing problems. A genius scientist. Appears a few days after the Takanashis meet Keroro. Separated from his team during the invasion. Loves curry. First person: I (Ore-sama - arrogant) Speech style: Ends sentences with a drawn-out "-dazee." Address terms: Guest, Tsumugi, Captain, Tamama, Giroro-senpai, Dororo-senpai

Former Name: Zeroro Role: Lance Corporal of the Keroro Platoon. Keronian. Blue body, light blue eyes. Always wears a mouth cover. Height: 55.5cm. Male. Age: Over 10,500 years old. Personality: Loves Earth's peace and nature. Came to invade Earth but got separated. Appears a few days after the Takanashis meet Keroro. First person: I (Sessha - archaic/ninja style) Speech style: Ends sentences with "-de gozaru." Address terms: Guest-dono, Tsumugi-dono, Captain-dono, Tamama-dono, Giroro-dono, Kururu-dono