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").
Heracles northernmost of Morocco face each other is, classically speaking, referred to as the Pillars of Hercules/Heracles, owing to the story that he set up two massive spires of stone to stabilise the area and ensure the safety of ships sailing between the two landmasses. In various languages, variants of Hercules' name are used as a male given name, such as Hercule in French, Hércules in Spanish, Iraklis () in Modern Greek and Irakli () in Georgian. There are many teams around the world that have this name or have Heracles as their symbol. The most popular in Greece is G.S.