Who are some of the most controversial characters in Doctor Who?

Doctor Who is a British television series that has been around since the 1960s. Over the years, the show has introduced a number of characters that have been the subject of controversy. Some of the most controversial characters in Doctor Who include:

• The Doctor: The lead character of the show, The Doctor has been portrayed by many actors over the years. The character's regenerations have been a point of contention for some fans.
• River Song: A time-traveling archaeologist and companion to The Doctor, River Song has been criticized by some fans for being too complicated and confusing.
• Clara Oswald: Another companion of The Doctor, Clara Oswald has been both praised and criticized for her character development and storyline.
• Missy: A female version of The Master, Missy has been controversial for her gender-swapping portrayal of the character.

While these characters have been the subject of controversy, they have also been beloved by many fans of the show. Ultimately, the success of Doctor Who can be attributed to its ability to evolve and adapt to changing times and audiences.