Firmino is a surname and given name, the Portuguese form of Firmin. Surname. Cândido Firmino de Mello-Leitão (1886–1948), Brazilian zoologist. Émerson Luiz Firmino (born 1973), Brazilian footballer. Roberto Firmino (born 1991), Brazilian footballer. Given name or maternal family name. Osvaldinho (footballer, born 1945), real name Firmino Baleizão da Graça Sardinha, Portuguese footballer. Diego Monar Firmino Martins (born 1989), Brazilian footballer. Leandro Firmino da Hora (born 1978), Brazilian actor. Paul J. F. Lusaka (1935–1996), Zambian politician and diplomat.
https://en.wikipedia.org/wiki/Firmino