Minecraft wiki entry for Chimera, associated text: Despite the origins of the chimera in Greek mythology (Chímaira referring to a she-goat[1][2]) the Chimera only has a lion body and snake tail.
The Chimera in the Minecraft Mini-Series is based on the "Chimera" from Matel which in turn was based on a texture for the ocelot in the Greek Mythology Mash-up pack.