The 29-year-old was last seen at around 3.30pm today, 23 June, when he left his home address on Sholing Road.
Police and his family are increasingly concerned for his welfare.
He is described as being white, around 5ft 4ins with a slim but muscular build, a shaved head, a spacer in his ear and a tattoo of a cross on his right leg. He was last seen wearing a grey top.
If you see Danny, or think you may have seen him since this afternoon, please phone police on 101 with reference 1682 of today’s date.