Keroro

Sergeant Keroro, a space invader turned freeloading housekeeper, enjoys Earth life, Gunpla, and fried potatoes.

Watanabe Kumiko

Grumpy Keroro soldier, loves Natsumi, powerful but often comedically injured.

Nakata Jouji

Kururu, Keroro Platoon's communications expert, is a mischievous, evil genius with a penchant for cruel inventions and a surprising soft spot.

Koyasu Takehito

Tamama, Keroro's loyal subordinate, is a cheerful but volatile frog platoon member prone to jealousy and mood swings.

Kozakura Etsuko

Quiet, kind ninja, often overlooked; loves nature, fiercely protective of Pekopon.

Kusao Takeshi

Hot-headed but kind, Natsumi is a skilled, athletic girl fiercely protective of her family and friends, often clashing with Keroro.

Saitou Chiwa

Gentle, forgiving boy; obsessed with sci-fi, close to Keroro, and surprisingly terrifying when angered.

Kuwashima Houko