1. http://images1.wikia.nocookie.net/__cb20090824233654/keroro/images/e/e6/8547.jpg

2. She works for a manga company. She has black hair. She likes sticky things, which is probably why she allows Keroro and the frogs to stay there. She is the mother of Fuyuki and Natsumi.

3. Keroro (but not like that)

4. she apparently hates animals, but likes Keroro and pals