The Eleventh Doctor is a fictional character from the British television series Doctor Who. Portrayed by actor Matt Smith, he is known for his youthful energy, quirky personality, and distinctive fashion sense, which includes a bow tie and suspenders. The Eleventh Doctor first appeared in 2010 and is characterized by his playful demeanor and deep compassion for others. This incarnation of the Doctor is notable for his unique approach to problem-solving, often using cleverness and creativity rather than brute force. He travels through time and space in the TARDIS, a time machine that resembles a British police box. The Eleventh Doctor's adventures often involve his companions, such as Amy Pond and Rory Williams, as they face various alien threats and moral dilemmas.