[Hamuko]

I think the word you're looking for is "cuckoo".

[matsemann]

Ah, so spelled differently in English, but still the same sound.

[lostgame]

I read KoKo as ‘Koh Koh’, not ‘Koo Koo’.

Still, in retrospect - definitely a bad naming choice for a service like this.

[a1445c8b]

Actually, My first impression was of a friendly panda or even Baymax from Big Hero 6.