the panther, as is well known, appears in descriptions of a later period as the favorite animal of Dionysus and is found with him in countless works of art. As Philostratus tells us, the panther leaps as gracefully and lightly as a Bacchant
Otto establishes the panther-leopard as Dionysus’s pre-eminent animal companion, its simultaneous grace and savagery mirroring the god’s own duality of erotic enchantment and murderous frenzy.
, Dionysus Myth and Cult (1965), 1965thesis