The best replacement for keiko is shamu.

The best alternatives to keiko are rated as following:
★★★★★  shamu
★  ollanta
★  botan

Your alternative for keiko is not listed? Suggest!
Speaking about keiko, one probably shouldn't forget about yamapi.

Other search terms related to keiko and their ratings are:
★★★★★ yamapi
You have in mind a companion for keiko and it is not yet here? Propose!



Google Trends

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keiko
shamu
ollanta