Chimera is the dominant personality within Orlando, and his "shape" is that of a lion.
Chimera is the part of Orlando King that enabled him to kill humans. It used to be a small, dark part of him, but when Orlando was infected with the multiple weres, it became the dominant force in his body.
Narssus in Chains
Chimera took over the werehyenas by bedding and later making hostage of Narcissus.
He wants Anita as his mate, because she appears to be a panwere like Himself.