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").
Drakaina (mythology) Drakaina (mythology) In Greek mythology, a drakaina () is a female serpent or dragon, sometimes with humanlike features. Examples of the Drakaina included Campe, Delphyne, Echidna and Sybaris. Python, slain by Apollo, and the earliest representations of Delphyne are shown as simply gigantic serpents, similar to other Greek dragons. However, although the word "drakaina" is literally the feminine form of "drakon" (Ancient Greek for dragon or serpent), most drakainas had some features of a human woman. Lamia, Campe, Echidna, and many representations of Ceto, Scylla and Delphyne had the head and torso of a woman. The drakaina was a monster