Hybrids are people with parents of two different species.
Aquatic Species, Beatfox, Comber, Corvice, Conedia, De'moneres, Dragons, Dopple, Fiends, Gummi Catfish, Karacel, Masques, Mothlie, Neuroth, OBJ, Pinitelles, Proximities, Pockitts, Ruffneck, Shrouds, Skippers, The Selected, Vegicrus,
Courier, Dopples, Elementals, Fiends, Proximities
Birdtaurs, Centinel, Conedia, Elemental, Fiends, Proximites,
Barebones, Gremlins, Tauntamounts
Tiny Cat People, Snuglins, Fallow's Constructs
Shivers' Species → (Basically all species are viable for hybrids except for Constructs)