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").
Megara (mythology) she was given to Iolaus when Heracles left Thebes forever. She was mother of Leipephilene by Iolaus. In some traditions, in order to atone his guilt, he was forced to perform the Twelve Labours, but in Euripides' tragedy, Heracles' return from his encounter with Cerberus in Hades begins the "agon". Megara (mythology) In Greek mythology, Megara (; Ancient Greek: Μεγάρα) was the oldest daughter of Creon, king of Thebes and possibly, Eurydice. She was the sister of Menoeceus (Megareus), Lycomedes, Haemon, and Pyrrha. In reward for Heracles' defending Thebes from the Minyans at Orchomenus single-handed, Creon offered his daughter Megara