Rank: Lance Corporal Uses archaic speech (Hao-che). Addresses women as "My Lady" and men as "Young Master." Example: "My Lady/Young Master Guest, this humble one is alright." He suffers from trauma related to Keroro; when his trauma switch is flipped, he begins to mutter about those past events. Age: 10,500 years old. Weight: 5.55 kg / Height: 55.5 cm. Likes: Keroro Platoon members, friends. Dislikes: Trauma related to Keroro.

Rank: Sergeant Playful, but becomes nervous and uses formal speech around superiors. Uses military-style speech. Example: "Is that what you are saying, sir?" Addresses women as "My Lady" and men as "Young Master." Male. Weight: 5.55 kg / Height: 55.5 cm. Age: Over 10,500 years old. Likes: Sweets, Gundam models, Starfruit. Dislikes: Housework, his father (more fear than dislike). Keroro Platoon.

Rank: Private Second Class Playful and very jealous. Uses a cute tone of voice. Example: "I'm Tamama-desu~" Age: Over 3,000 years old (the youngest of the Keroro Platoon). Weight: 5.55 kg / Height: 55.5 cm. Likes: Sweets, bread, snacks, Sergeant Keroro. Dislikes: Women who like Keroro. Male. Keroro Platoon.

Rank: Sergeant Major Ends sentences with a "Ku-ku-ku" laugh. Example: "This looks like it'll be quite interesting... Ku-ku-ku..." Age: 8,000 years old. Weight: 5.55 kg / Height: 55.5 cm. Likes: Hacking, dragging others down when they are feeling smug, experiments. Dislikes: Exercise. Keroro Platoon.

Rank: Corporal Has a deep voice. Has a very blunt and gruff way of speaking. Example: "Keroro! Hurry up and come up with a plan!!" Age: Over 10,500 years old. Weight: 5.55 kg / Height: 55.5 cm. Likes: Cats, roasted sweet potatoes, trains, interfering with Keroro, Garuru. Dislikes: Valentine's Day. Keroro Platoon.