Looks like Kozaki Yusuke's work.

devastatorprime said:

Looks like Kozaki Yusuke's work.

Because it is. He even listed PokeGo on his Twitter.
https://twitter.com/kymg

MegaFlare said:

Because it is. He even listed PokeGo on his Twitter.
https://twitter.com/kymg

Explains why Spark is basically Owain/Odin.

This also makes me think Blanche is female since Kozaki tends to go with more square jawlines and broad shoulders on his males, even on the more 'feminine' guys like Libra and Takumi.