2. Ares: Hermes also had a strained relationship with the god of war Ares. Despite being half-brothers, they had very different personalities and often clash, particularly over their different domains.
3. Hades: Hermes had to interact with Hades, the god of the underworld, but often sought to outwit his rival in order to protect his interests or help others.
4. Poseidon: Although not explicit enemies, Hermes sometimes found himself at odds with god of the sea.
5. Giants: Giants, powerful foes were sometimes opposed by Hermes and he did outsmart them in various mythological accounts during their battles with the Olympians.
These are some prominent examples of adversaries and rivals of Hermes in Greek mythology