Some articles on dasonu:

List Of Sgt. Frog Characters - Other Aliens - Dasonu Mari (ダソヌ☆マリ?)
... The younger sister of Dasonu Maso ... learnt that Keroro Platoon is a team full of comedians from Dasonu Maso so she went to observe Keroro Platoon ... At the end of episode 114, Dasonu Maso turns her long blond hair into a black heart-shaped afro, which she keeps for all her future appearances ...