HMS Janus, named after the Roman god, was a Javelin or J-class destroyer of the Royal Navy. She was ordered from the Swan Hunter & Wigham Richardson Limited at Wallsend-on-Tyne as part of the 1936 Build Programme and laid down on 29 September 1937, launched on 10 November 1938 and commissioned on 5 August 1939.
She wears a white hat with black ribbon on her head, her outfit is a white dress with navy blue cardigan with puffy sleeves and a sailor collar plus a black tie. She also wears white gloves. Her legwear is short socks with laces and grey shoes with a small black ribbon on them. On her left hand, she holds her main gun and her machinery rests on her waist.