Clara Oswald is a fictional character from the British television series Doctor Who. She first appeared in the show's seventh series as a companion to the Eleventh Doctor, portrayed by Matt Smith. Clara is known for her intelligence, bravery, and strong-willed personality. She plays a crucial role in the Doctor's adventures, often helping him navigate complex situations and moral dilemmas. Clara's character is notable for her mysterious origins, as she is referred to as the "Impossible Girl." This title reflects her unique ability to appear in different times and places throughout the Doctor's life. Her journey explores themes of identity, sacrifice, and the impact of choices.