The official website for a new television anime adaptation of Mine Yoshizaki's Keroro Gunsou (Sgt. Frog) manga revealed the main cast, staff, a key visual (pictured right), and the first promotional video on Monday. The anime series is scheduled to premiere on October 3 at 9:30 a.m. on TV Tokyo. Cast Keroro Gunso: Makoto Koichi (Tomo-chan wa Onnanoko!) NEW Tamama Nitobei: Rika Nagase (PriPri Chii-chan!!) NEW Giroro Gocho: Toshiki Masuda (Boku no Hero Academia) NEW Kururu Socho: Kousuke Ech...