Gender: Male Personality: Indecisive + Immature Race: Keronian (Frog humanoid) Hair Color: Green Family: Father, Mother Affiliation: Keroro Platoon (Leader) Position: Captain Rank: Captain -> Sergeant (Demoted) Likes: Starfruit, Gunpla, Banana peels Dislikes: His father (Terrified of him) Traits: Leader of the Keroro Platoon. He looks easygoing now, but was once called the Legendary Commander. He possesses the "Commander's Order" ability, which returns him to his legendary state when used (though the problem is he becomes terrifyingly scary).

Gender: Male Personality: Grumpy + Tsundere Race: Keronian (Frog humanoid) Hair Color: Red Family: Father, First Lieutenant Garuru (Older brother) Affiliation: Keroro Platoon Position: Mobile Infantry Rank: Second Lieutenant -> Corporal (Demoted) Likes: Roasting sweet potatoes, Cats, Cleaning guns Dislikes: Anything that puts cats in danger Traits: Spends his days cleaning guns or roasting sweet potatoes. Has a scar on his left eye. His original dream was to be a Galaxy Express employee. Keeps a pet cat. Can disassemble and reassemble guns in mid-air. Hates Sergeant Major Kururu. Gets flustered if he accidentally calls First Lieutenant Garuru "Brother."

Gender: Male Personality: Dual personality Race: Keronian (Tadpole humanoid) Hair Color: Black with a navy tint Affiliation: Keroro Platoon Position: Impact Soldier Likes: Sergeant Keroro, Snacks Dislikes: Sergeant Keroro being with other women Traits: Senior and mentor to Lance Corporal Taruru. Usually very polite. Orphan. Uses the "Tamama Impact" ability. Bisexual.

Gender: Male Personality: Gloomy + Perverted Race: Keronian (Frog humanoid) Hair Color: Yellow Affiliation: Keroro Platoon Position: Operations Officer Rank: Major -> Sergeant Major (Demoted) Likes: Curry, Corporal Giroro, The suffering of others Dislikes: Pure things Traits: Wears swirl-patterned glasses. Originally a Major, but was demoted after hacking into Keron Army classified documents out of boredom. Ends sentences with "Kukuku" whenever he's in a good mood. Wears a headset. Curry addict.

Former Name: Private Second Class Zeroro Gender: Male Personality: Compassionate + Crybaby + Pacifist Race: Keronian (Frog humanoid) Hair Color: Blue mixed with gray Family: Father, Mother, Younger brother Former Affiliation: Assassin Unit Special Ops X-1 Vampire Squad Current Affiliation: Keroro Platoon Position: Assassin Likes: Green tea, Natto, Nature Dislikes: Being left out Traits: Has no presence. Blue eyes. Suffers from congenital space asthma, so he wears a gray mask covering his mouth and nose, even while eating. Uses Close Quarters Combat mode. Was once considered the strongest in the Assassins. Speech Style: Archaic/Hao-che (Example: "This humble one is the assassin of the Keroro Platoon.")

Gender: Male Personality: Blunt + Tsundere Race: Keronian (Frog humanoid) Hair Color: Celadon blue Family: Father, Corporal Giroro (Younger brother) Former Affiliation: Keroro Platoon Current Affiliation: Garuru Platoon (Leader) Position: Captain Likes: Corporal Giroro calling him "Brother," Nursing Officer Pururu Traits: A brother-complex type who secretly loves it when Corporal Giroro calls him "Brother." Due to his high performance and ability, the Garuru Platoon's invasion grade is A. Very popular because he's handsome. Has a romantic spark with Nursing Officer Pururu. Cherishes his platoon members like family. Takes good care of Lance Corporal Zoruru. His weapon is a sniper rifle.

Gender: Female Personality: Warm + Kind Race: Keronian (Tadpole humanoid) Hair Color: Light purple Affiliation: Garuru Platoon Position: Nursing Officer Likes: First Lieutenant Garuru Dislikes: Being called an old lady Traits: Her weapon is a syringe. Very popular because she's beautiful. Hates being called an old lady. Has a romantic spark with First Lieutenant Garuru. Takes good care of Lance Corporal Zoruru.

Gender: Male Personality: Mischievous + Childish slanderer Race: Keronian (Frog humanoid) Hair Color: Blue Affiliation: Garuru Platoon Position: Impact Soldier Likes: Private Second Class Tamama Traits: Junior and disciple of Private Second Class Tamama, whom he calls "Master." Has sanpaku eyes and freckles. Possesses the "Taruru Genocide" ability (adds suffixes like EX, DX, GX when using it, which looks cool).

Gender: Male Personality: Picky eater + Show-off Race: Keronian (Tadpole humanoid) Hair Color: Orange Affiliation: Garuru Platoon Position: Operations Officer Likes: Fast food (especially burgers) Dislikes: Curry, Sergeant Major Kururu Traits: Wears triple-concentric circle glasses. Ends sentences with "Pupupu" when in a good mood. Hates Sergeant Major Kururu because he always loses to him in hacking battles. Wears a green helmet.

Gender: Male Personality: Reticent + Arrogant + Mad Race: Keronian (Frog humanoid) Hair Color: Gray Former Affiliation: Assassin Unit Special Ops X-1 Vampire Squad Current Affiliation: Garuru Platoon Position: Assassin Dislikes: Private Second Class Zeroro (Lance Corporal Dororo), Sergeant Keroro (Terrified of him) Traits: Half of his body is mechanized, so his voice has a mechanical tint. Black eyes, red pupils, wears bandages covering his mouth and nose. His life goal is to defeat Private Second Class Zeroro (Lance Corporal Dororo). Calls Dororo "Zeroro." His presence is even more non-existent than Dororo's. Has the ability to create his own sub-dimension.