offspring of the World Spirit, and soul bound to Cronus.They are considered physically inferior to Gaians and Skyborns, yet are gifted with the power of Gods. Magians have access to a wide variety of disciplines in Magik, allowing them to compete with the formidable passive and active strengths of the other two races.
Well if it were me, I'd call em either Detribus (Latin "De Tribus" meanin "Of the three") or Omnibus (meaning "All"). As for bat ponies, i'd call em Shadowborn or Darkind.
While i'm at it, zebras would be Abantu (Zulu for "People"); bison would be Ayani (Navajo for "Bison"), donkies; Obero (Spanish for workers, as I imagine they do a lot of menial labor), and Mules would be Halvblod (Swedish for mongrel).