Rose Tyler is a fictional character from the British television series Doctor Who. She first appears in the 2005 episode "Rose," where she meets the Doctor, a time-traveling alien known as a Time Lord. Rose becomes the Doctor's companion, traveling with him through time and space, and plays a crucial role in the revival of the series. As a character, Rose is portrayed as brave, resourceful, and compassionate. She comes from London and works in a shop before her adventures with the Doctor. Throughout her journey, she faces various challenges and monsters, ultimately becoming a key figure in the Doctor's life and the fight against evil.