Luke Smith (The Sarah Jane Adventures)
| Luke Smith | |
|---|---|
| Doctor Who character | |
 |
|
| First appearance | Invasion of the Bane |
| Last appearance | The Man Who Never Was |
| Portrayed by | Tommy Knight |
| Information | |
| Affiliated | Sarah Jane Smith |
| Species | Human |
| Home planet | Earth |
| Home era | Early 21st century |
Luke Smith is a fictional regular character played by Tommy Knight in the British children's science fiction television series The Sarah Jane Adventures, a spin-off of the long-running series Doctor Who. Luke is a regular character in The Sarah Jane Adventures both in television and audio adventures. He has also appeared in three episodes of Doctor Who: the two-parter "The Stolen Earth"/"Journey's End" (2008), and Tenth Doctor finale episode "The End of Time, Part Two" (2010).
Within the narrative of the series, Luke is a human archetype, created by alien species the Bane from thousands of DNA samples, who comes to be adopted by the series' heroine, Sarah Jane Smith (Elisabeth Sladen). Luke is something of a child prodigy, showcasing a remarkable degree of genius but also a level of social ineptitude owing to being born in adolescence.
Luke Smith is introduced as 'the Archetype' in the first episode of The Sarah Jane Adventures, the New Year's Day special "Invasion of the Bane" (2007). The Bane Mrs Wormwood (Samantha Bond) creates the Archetype from thousands of samples of DNA taken from visitors touring their Bubble Shock! drink factory. This enables the Bane to run tests on an archetypal human. Luke appears to be an ordinary adolescent boy, except for his lack of a navel having been grown rather than gestated and born naturally. He possesses a superhuman intelligence and an exceptional eidetic memory.
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