HMS Hydra (A144) the first commission of HMS "Hydra". She was decommissioned and sold to the Indonesian Navy in 1986 and renamed KRI "Dewa Kembar" (Pennant Number 932); she was still in service in 2006. There have been eight ships of the name in the Royal Navy, named for the Hydra of Greek Mythology, a serpent with many heads (though nine is generally accepted as standard), the centre one of which was immortal. The monster was overcome and slain by Hercules. The ship's badge of HMS "Hydra" depicts the monster with seven heads. The ship's motto was "Ut Herculis Perseverantia" ("Like Hercules Persevere").
Giants (Greek mythology) remark that Eurymedon "brought destruction on his froward people" might possibly be a reference to the Gigantomachy and Hesiod's remark that Heracles performed a "great work among the immortals" is probably a reference to Heracles' crucial role in the gods' victory over the Giants. The Hesiodic "Catalogue of Women" (or the "Ehoia") following mentions of his sacks of Troy and of Kos, refers to Heracles having slain "presumptious Giants". Another probable reference to the Gigantomachy in the "Catalogue" has Zeus produce Heracles to be "a protector against ruin for gods and men". There are indications that there might have been