Luke

You may be looking for Luke Smith, adopted son of Sarah Jane Smith.
 *  has several meanings pertinent to the Doctor Who universe and the real world. They are listed below in alphabetical order by surname.  If no surname is available, alphabetization occurs by the disambiguation term — that is, the bit between the parentheses in a title like Waitress (Random Shoes).

As only name
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As first name
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As surname
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As place name
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As name of object, publication or other in-universe item
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Regular
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Guest
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Featured
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Monster specialists
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Extra
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Vocal
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As surname
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Television
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Cameramen
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Designers
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Directors
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Lighting
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Producers
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Sound design, effects, music
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Visual effects
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Writers
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Other
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Prose
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Comics
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Audio
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