|First appearance||Keroro Episode 132|
Bob is a character in Keroro Gunso.
Bob is first appeared in Episode 132 where he ordered his students and Cheuton to defeat the Keroro Platoon to pass their final exams (which made Cheuton very nervous and uncomfortable to battle Dororo). Bob is heard again from the voice radio where he blames Cheuton's nervousness.
Bob's appearance is not seen (possibly an eagle-like crest), but only his voice is heard with the eyes of the crest flashes red.
Cheuton = He is Bob's student in Assassin Training School.
Keroro = Unknown. But Keroro seems to recognize him.