Original: He is perhaps best known for his role as Mark Renton in the 1996 film Trainspotting , his portrayal of the young Obi-Wan Kenobi in the Star Wars prequel trilogy , and his role as the romantic penniless writer Christian in the 2001 film Moulin Rouge !
Simplified: He is perhaps best known for playing the lead role in Danny Boyle 's Trainspotting , his portrayal of Obi-Wan Kenobi in the prequel trilogy of Star Wars , and his motorcycle adventures with friend Charley Boorman .