David Tennant is one of the most popular actors to have played the Doctor in the long-running British science fiction series Doctor Who. He starred in the show from 2005 to 2010, and his tenure is considered by many fans to be one of the best. One of the things that made Tennant's Doctor so popular was his use of the police box as his TARDIS or a time machine. The police box is a familiar sight in British culture, and Tennant's Doctor made it even more iconic. A fanart Doctor Who cursor with David Tennant and Police Box.