[Sunred]

Orphnoch is a portmanteau of Orpheus and Enoch(clever cause both have relations to life and death)

Imagin is a portmanteau of imagine and majin, which makes sense in that their form is the result of people's imaginations

Fangire is a portmanteau of fang and vampire

Dopant is befitting in that the gaia memory is an impurity that is injected in to the human body to change people

Zodiarts is just a portmanteau of Zodiac and arts it seems though I am unsure what the arts has to do in a contextual sense

Inves apparently derives from the term Invasive Species it seems

Ganma literally translates to eye demon which matches the whole eye concept

Bugster is a portmanteau of bug and monster