Luke

From TARDIS Index File, the free Doctor Who reference.

You could mean Luke Smith

Luke
Also known as:
Race:	Human
Home Planet:	Earth
Home Era:	21st century
Appearances:	DW: School Reunion
Actor:	Benjamin Smith

Luke was a school boy at Deffry Vale High School, selected by Mr Wagner to help solve the Skasis Paradigm. (DW: School Reunion)