|Voiced by||Issei Masamune (Japanese)|
|Species / Type||Alien|
|Occupation||Space Police Officer|
Investigator Namenia is a Space police subordinate in Keroro Gunso.
He is a green-skinned humanoid rodent-like alien with a black pair of sunglasses. He is seen wearing a black suit and a grey shirt underneath. He also wear a brown belt.
He is based on the character Horatio Caine from the US-American television series CSI: Miami.