Part Lion, part Dragon and part other Beasts the Chimera has gone in and out of fashion at Citadel.
Citadel and Marauder Chimeras
Fiend Factory FF34 Chimera (Chimaera)
C27 Chaos Chimeras
CM1 Chimera
Marauder MM44/2 Chimera
Unreleased Chimerae
Storm of Magic Chimera