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").
Twins in mythology identities. Many cultures have mythic or folkloric explanations for how twins are conceived. In Greek mythology, some twins were conceived when a woman slept with both a mortal and a god on the same day, like Alcmene for example. One of her offspring, Heracles, had godlike qualities such as immense strength and stamina, while his twin brother, Iphicles, was to be an ordinary mortal. In many Native American cultures, eating certain foods were thought to increase the likelihood of twins. These foods included double almonds and bananas, and were typically avoided by Native American women because birthing twins was frowned