Translation guide
The mythological hero Hercules is referred to in Japanese primarily by his Greek name 'Herakles' or the Roman-derived 'Hercules'. In everyday contexts, he is known through pop culture, idioms, and the constellation.
Referring to the character Hercules/Heracles from Greek/Roman mythology
The most common Japanese name for the hero, derived from the Greek 'Herakles'. Used in mythology, movies, and games.
Hercules is a hero of Greek mythology.
Less common variant, closer to the Latin 'Hercules'. Sometimes used in academic or older texts.
Referring to the constellation named after the hero
Standard astronomical term for the constellation Hercules.
Hercules is a summer constellation.
Describing someone as being as strong as Hercules
Referring to the Disney movie 'Hercules' or similar modern adaptations
The Disney movie is titled 'ヘラクレス' in Japan. Use this for the film or its character.
Have you seen Disney's 'Hercules'?
For the mythological hero, ヘラクレス is the default in modern Japanese. ヘルクレス is mainly used in the constellation name or in some academic contexts.
Pillars of Hercules
His peerless strength is reminiscent of Hercules.