[@Angel Eyes] 

I would say Eiko looks like Miksa Ackerman from Attack on titan 

[img]http://img1.ak.crunchyroll.com/i/spire1/a9d1fd52c7e44e6cb3d2a46cfde0d11b1394280508_full.jpg[/img]

and Gaz looks somewhat like an older Jonnah from Jormungand 

[img]https://36.media.tumblr.com/c3d2aec57fc34b90f95f054dc2fd8dad/tumblr_n9of5063Rf1snsh5fo1_500.jpg[/img]