Rasa is a species made by fullmetalshadowwolf and you can learn more about them here: http://fullmetalshadowwolf.deviantart.com/art/Rasa-Species-Reference-389107102

The biggest Rasasshole you’ll ever meet. My boy Jaeger (Pronounced yay-grr, like the German word for hunter.)
He’s a big narcissistic jerk-face who’s work dabbles in some rather illegal activities.If it weren’t for that he’d be a homeless bum.
To sum it up, he thinks he is the shit and others are tired of his shit.

Human form: http://huytemen.deviantart.com/art/Jaeger-Human-406279321