Grace Olubunmi is the grandmother of Mercy and Faith Olubunmi. She appears in episode 8 of E20 Series 1 in which she tells Mercy that her friend Fatboy is a bad influence on her. New executive producer Bryan Kirkwood introduces the character to EastEnders in his first episode on 4 June 2010, this time played by Ellen Thomas. She will also appear in series 3 of E20 along with Mercy's younger sister, Faith Olubunmi, who Grace sent to Nigeria to get back on the straight and narrow, but she returns to the UK and is worse than ever.