|Voiced by||Takehito Koyasu (Japanese)|
|Species / Type||Pekoponian Andriod|
Ryusei (リュウセイ Ryūsei) is a character in the Keroro Gunso anime.
He is Kururu's human form in episode 320.
- All the Keroro Platoon human forms designs are based on Gundam Wing characters. Ryusei's appearance is based on Zechs Merquise, who shares his Japanese voice actor with Kururu.