北城睦実 623 サブロー先輩 サブロー 326

Keroro Gunsou character; called Saburo Mutsumi in the anime adaption.

He has short grey hair and blue eyes. He is usually depicted in the Kissho Academy school uniform, and often wears a yellow beanie.

Official art

Trivia

• "Mutsumi" can be read as "623". He uses this string of numbers as his moniker for the radio show he hosts and DJs.
• In the manga, this alias is "326".
• He is often seen with Kururu, the only character to know his secret DJ identity.
• He is voiced by Ishida Akira.

See also

• List of Keroro Gunsou characters

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