These are various minor characters that appear in the Keroro Gunso franchise, but aren't named or, if named, make no relevant on screen appearance.
Doinaka Beach Beauty Contestants Edit
Novice Manga Author EditThis Manga Author works under Aki Hinata as an artist for Shonen Alpha(Shonen Kuro in the manga). He appears in the first chapter (episode 3 for the anime) where his manga proposal is rejected by Aki. Later on though, they meet again at the Coffee Shop Forza (episode 21 in the anime) and she accepts his new idea.
Parallel World Natsumi Edit
Parallel World Natsumi is a minor character featured in episode 205. She is the sister to Parallel World Fuyuki and she appears briefly questioning who Fuyuki is talking to in his room.
Dolphin's Parents Edit
Dolphin's Parents are the mother and father to Dolphin. They first appear in Chapter 190 of the manga and Episode 13 of the Flash Series. they appear nearby an island when Shin Keroro notices them. They are later seen watching Shin and Dolphin say there goodbyes.
Tamama's Friends EditTamama's Friends were Tamama's previous Kindergarten Friends. They first appear in Chapter 183 and Episode 12 of the Flash Series. They appear briefly in a flashback when Tamama is reminded as to why he hated pick up during kindergarten, due to the fact that no one would come to pick him up. The red tadpole has a heart symbol much like Sumomo.