Cockney referred to a resident of an area in London, as well as the dialect they spoke.
The Tenth Doctor spoke in an accent described by George Litefoot as "a kind of cultured cockney flecked with hints of Scots." (AUDIO: The Jago & Litefoot Revival)
Ben Jackson was a Cockney. (PROSE: Invasion of the Cat-People)
While visiting London in 1860, the Doctor and Leela discussed their previous visit in 1889. Leela referred to the Cockney "tribe". (TV: The Talons of Weng-Chiang, AUDIO: The Ghosts of Gralstead)
Tamsin Drew played "a Cockney drab who gets done to death by Jack the Ripper" for "one glorious summer" in re-enactments of the murders at the London Dungeon. (AUDIO: Deimos)
Cassandra O'Brien.Δ17 attempted an "old Earth Cockney" accent when posing as Rose Tyler, who spoke with a working-class London accent. (TV: New Earth)
Ada Mullins, aka "the Unicorn", was a Cockney master thief responsible for jewel thefts at country houses in the 1920s. (TV: The Unicorn and the Wasp)
Clara Oswald described the fictional EastEnders character Dot Cotton as a "famous Cockney chimney" to the Governor of the Prison. (PROSE: The Blood Cell)