ケロちゃん (Kero-chan) and コロちゃん (Koro-chan)

[[Mascot]] characters of コルゲンコーワ (Colgen Kowa), a cold remedy brand of "Kowa Company, Limited.":http://www.kowa.co.jp/eng/ (Danbooru romanization: Kouwa Company) Aka. コーワのカエル (Kowa's [[Frog]]s).
Kero-chan is a girl frog, and Koro-chan is a boy frog. You can find their statues at almost every Japanese [[pharmacy]] front.

Their names are often mistaken for Keroyon or [[Kerorin_(brand)]]. ("Keroyon":http://ja.wikipedia.org/wiki/%E3%82%B1%E3%83%AD%E3%83%A8%E3%83%B3 is a TV character, inspired by "Mr.Toad,":http://en.wikipedia.org/wiki/Mr._Toad a character from "Kenneth Grahame's":http://en.wikipedia.org/wiki/Kenneth_Grahame "The Wind in the Willows.":http://en.wikipedia.org/wiki/The_Wind_in_the_Willows Kerorin is a headache medicine brand of "NAIGAI yakuhin Company, Limited,":http://ja.wikipedia.org/wiki/%E5%86%85%E5%A4%96%E8%96%AC%E5%93%81 well-known for advertising media called 'Kerorin wash [[basin]]s.')

h4.See also

* Official site: http://kr2.kowa.co.jp/ 

kero & koro (colgen kowa)