The Tenth Doctor is a fictional character from the British television series Doctor Who. Portrayed by actor David Tennant, he is known for his energetic personality, wit, and emotional depth. The Tenth Doctor travels through time and space in the TARDIS, a time machine that looks like a British police box. He often faces various alien threats while forming strong bonds with his companions. This incarnation of the Doctor first appeared in 2005 and continued until 2010. The Tenth Doctor is recognized for his iconic pinstripe suit and Converse sneakers. His adventures often explore themes of love, loss, and the consequences of time travel, making him a beloved character among fans.