EastEnders: E20 (sometimes just E20) is a British Internet soap opera, which began airing on 8 January 2010. A spin-off from the established BBC soap EastEnders, it is set in EastEnders regular setting of Albert Square, a Victorian square in the fictional borough of Walford, in the East End of London. Each series follows a group of teenage characters: Zsa Zsa Carter (Emer Kenny), Leon Small (Sam Attwater), Fatboy (Ricky Norwood) and Mercy Olubunmi (Bunmi Mojekwu) in series 1; Asher Levi (Heshima Thompson) and his brother Sol (Tosin Cole), Naz Mehmet (Emaa Hussen), and Stevie Dickinson (Amanda Fairbank-Hynes) in series 2; and Ava Bourne (Sophie Colquhoun), Donnie Lester (Samuell Benta) and Faith Olubunmi (Modupe Adeyeye) in series 3. The show's title comes from Walford's fictional London postcode district, E20. The four characters from series 1 also appear in EastEnders, as well as Faith from series 3.