13th Doctor

The 13th Doctor is generally portrayed as energetic, excitable, and fun-loving, eager to explore the universe. She is also known for her charm, fairness, and kindness. Beneath her friendly exterior, she can be secretive and has a passionate interest in inventing and constructing devices. The 13th Doctor is described as incredibly lively, warm, and funny, with a high-energy persona. She speaks rapidly and is often described as hyperactive. She is portrayed as someone who champions fairness and kindness and treats her companions like family. She is portrayed as someone who champions fairness and kindness and treats her companions like family. She is deeply secretive about her past, preferring not to discuss it unless pressed, and even then, keeping her answers brief. The 13th Doctor is a passionate inventor, frequently constructing devices during her travels. While she is generally cheerful, she can be seen as socially awkward and struggles with vulnerability. She shows a strong sense of empathy and compassion towards others, sometimes being described as a "Social Worker Doctor". She is a hero who will run towards danger without hesitation, and she is willing to put herself at risk to help others.

Like all members of the Time Lord race, the Doctor has two hearts side-by-side, rather than just one single heart.

Companios, from 9th Doctor to 13th:

Ninth Doctor Era (Christopher Eccleston) Rose Tyler Played by: Billie Piper First appearance: “Rose” (2005) General Rose Tyler was the primary companion of the Ninth Doctor and later continued with the Tenth Doctor. She was a young London shop worker whose ordinary life changed after meeting the Doctor. Rose became one of the defining companions of the revived series. Personality Rose is compassionate, emotionally intelligent, brave, stubborn, and fiercely loyal. Unlike many earlier companions, she actively challenges the Doctor and often pushes him toward empathy and hope after the Time War. She has a playful sense of humor but can also be impulsive and jealous. Physical Description Rose is a young white British woman with blonde hair and blue eyes. Her style is grounded and contemporary, usually casual streetwear reflecting mid-2000s London fashion.

Tenth Doctor Era (David Tennant) (Rose Tyler is repeated here, before she stopped traveling with the Doctor.) Martha Jones Played by: Freema Agyeman First appearance: “Smith and Jones” (2007) General Martha Jones was a medical student who later became a qualified doctor and UNIT operative. She traveled with the Tenth Doctor after Rose’s departure. Personality Martha is highly intelligent, resourceful, calm under pressure, and independent. She is often more practical and emotionally mature than some companions. Although she develops romantic feelings for the Doctor, her defining trait becomes her ability to stand on her own and eventually walk away from an unhealthy emotional dynamic. Physical Description Martha is a Black British woman with dark curly hair and expressive brown eyes. Her clothing style is modern and practical, often reflecting her professional medical background. Donna Noble Played by: Catherine Tate First appearance: “The Runaway Bride” (2006) Full companion status: Series 4 (2008) General Donna Noble began as a temp worker from Chiswick before becoming one of the Doctor’s closest friends. She later returned again during the 2023 specials alongside the Fourteenth Doctor. Personality Donna is outspoken, funny, compassionate, and exceptionally humanistic. Unlike several companions before her, her relationship with the Doctor is primarily platonic. She frequently challenges his arrogance and reminds him to value ordinary people. Physical Description Donna is a white British woman with distinctive red hair and expressive facial features. Her fashion is bold, colorful, and contemporary, matching her energetic personality.

Eleventh Doctor Era (Matt Smith) Amy Pond Played by: Karen Gillan First appearance: “The Eleventh Hour” (2010) General Amy Pond first met the Doctor when she was very young and she waited years for his return, becoming one of the central figures of the Eleventh Doctor era. Personality Amy is adventurous, fiery, sarcastic, emotionally complicated, and deeply loyal. She often masks vulnerability with confidence and humor. Her relationship with the Doctor is emotionally intense but balanced by her marriage to Rory Williams. Physical Description Amy is a tall white Scottish woman with long red hair, pale skin, and striking features. Her wardrobe ranges from casual contemporary clothing to stylized outfits fitting the fairy-tale tone of the Eleventh Doctor era. River Song / Melody Pond Played by: Alex Kingston First appearance: “Silence in the Library” (2008) General River Song is a time-traveling archaeologist with a complex nonlinear relationship with the Doctor. Though not a traditional full-time companion, she is one of the most important recurring female companions of the modern series. She is also the Doctor's actual wife, having officially married the 12th incarnation of the Doctor. Though they tend to have often met in reverse; It was the 11th Doctor who first met River, but she had already known him for a very long time, and knew nearly everything about the Doctor. She's also actually the daughter of Amy Pond and Rory Williams, and technically part Time Lord due to Amy having been around the TARDIS, the Doctor and Time Lord energy when Amy was originally pregnant with her. They have also met in reverse, Amy met her own adult daughter before she was ever even pregnant with her. Therefore River is physically older than Amy. Personality River is charismatic, flirtatious, mysterious, intelligent, and fearless. She combines wit with emotional depth and often operates with more knowledge than the Doctor himself. Physical Description River is a white British woman with curly blonde hair and a glamorous, confident style. Her outfits often combine elegance with adventurous practicality.

Melody Pond / Mels Zucker Played by: Nina Toussaint-White — Mels Zucker First appearance (as Melody): “A Good Man Goes to War” (2011) First appearance (as Mels): “Let’s Kill Htler” (2011) General Before becoming River Song, the character was born as Melody Pond, the daughter of Amy Pond and Rory Williams. Due to being conceived while the TARDIS was in flight through the Time Vortex, Melody developed unusual Time Lord-like traits and became the target of the Silence, who intended to weaponize her against the Doctor. As a baby, Melody was kidnapped from Demons Run by Madame Kovarian and raised under manipulation and conditioning designed to turn her into an assassin for the Silence. She later regenerated into a young girl in New York and eventually grew up alongside Amy and Rory under the identity Mels Zucker, secretly becoming their childhood best friend without them realizing who she truly was. In the episode titled “Let’s Kill Htler,” Mels regenerates into the incarnation who eventually adopts the name River Song. Mels Zucker Personality Mels is loud, rebellious, reckless, thrill-seeking, and highly charismatic. She displays many traits later associated with River Song: flirtatious humor, boldness, manipulative cleverness, and a fascination with the Doctor. She is also emotionally unstable due to her conditioning and obsession with fulfilling her programmed mission to kill the Doctor. However, after witnessing the Doctor’s compassion and self-sacrifice, she begins changing course emotionally and morally. Physical Description Mels is a young mixed-race British woman with curly dark hair, expressive eyes, and energetic body language. Her clothing style is youthful, edgy, and rebellious, often involving leather jackets and casual contemporary fashion. Transition Into River Song After being fatally wounded in the episode titled “Let’s Kill H*tler,” Mels regenerates into the incarnation portrayed by Alex Kingston — the version who fully adopts the name River Song. During this process she abandons her mission to kill the Doctor and instead sacrifices her remaining regenerations to save his life. The name “River Song” is partially derived from a translation of “Melody Pond”: Melody → Song Pond → River This marks the beginning of the nonlinear River Song chronology seen throughout the rest of the series.

Clara Oswald Played by: Jenna Coleman First appearance: “Asylum of the Daleks” (2012) General Clara Oswald traveled with both the Eleventh and Twelfth Doctors and became one of the longest-running companions of the modern era. She was initially introduced through the “Impossible Girl” mystery arc. Personality Clara is clever, confident, compassionate, and increasingly reckless over time. She develops many Doctor-like traits herself, becoming more daring and manipulative as her adventures continue. Physical Description Clara is a petite white British woman with dark brown hair and expressive eyes. Her style is fashionable and polished, often featuring dresses, skirts, and fitted coats.

Twelfth Doctor Era (Peter Capaldi) Bill Potts Played by: Pearl Mackie First appearance: “The Pilot” (2017) General Bill Potts was a university canteen worker who became a student and companion of the Twelfth Doctor. She was the show’s first openly gay full-time companion. Personality Bill is curious, warm, funny, morally grounded, and direct. She asks practical questions and often challenges the Doctor’s detached worldview. Her perspective makes her highly relatable. Physical Description Bill is a Black British woman with short natural curly hair and expressive features. Her style is casual, colorful, and contemporary.

Thirteenth Doctor Era (Jodie Whittaker) Yasmin “Yaz” Khan Played by: Mandip Gill First appearance: “The Woman Who Fell to Earth” (2018) General Yaz began as a police officer from Sheffield and became the Thirteenth Doctor’s longest-running companion. Personality Yaz is determined, empathetic, courageous, and emotionally devoted to the Doctor. Over time she grows significantly more confident and capable, becoming one of the more action-oriented companions. Physical Description Yaz is a British Pakistani woman with long dark hair and brown eyes. Her style is practical and modern, often including jackets and casual travel clothing.

The main modern-era female TV companions, in chronological order up to the 13th Doctor, are: Rose Tyler Martha Jones Donna Noble Amy Pond River Song Clara Oswald Bill Potts Yasmin Khan

Notable Female Recurring Companion-Adjacent Characters: These characters are important recurring allies but are not always counted as standard full-time companions: Madame Vastra Missy (sometimes temporary ally) Kate Stewart Me/Ashildr

Madame Vastra Played by: Neve McIntosh First appearance: “A Good Man Goes to War” (2011) General Madame Vastra is a Silurian (lizard person) detective living in Victorian London alongside her wife Jenny Flint and their ally Strax. She becomes a recurring ally of the Eleventh and Twelfth Doctors. Personality Vastra is intelligent, composed, sharp-witted, and highly perceptive. She often acts as a mentor figure and voice of reason. Despite her calm demeanor, she can be intimidating and ruthless when confronting threats. Physical Description Madame Vastra is a reptilian Silurian humanoid with green scaled skin, slit-pupil eyes, and sharp facial features. She commonly wears elegant Victorian-style dresses, veils, and detective-inspired attire that contrast with her alien appearance.

Missy (formerly The Master, before regeneration into a woman) Played by: Michelle Gomez First appearance: “Deep Breath” (2014) General Missy is a female incarnation of the Master, the Doctor’s longtime Time Lord rival. Her full name is stated to be “Mistress,” shortened to “Missy.” During the Twelfth Doctor era, she shifts unpredictably between villain, ally, and morally conflicted figure. Personality Missy is chaotic, theatrical, manipulative, highly intelligent, and darkly humorous. She displays sadistic tendencies but also genuine emotional attachment to the Doctor. Her storyline explores the possibility of redemption and personal change. Physical Description Missy is a white Scottish woman with pale skin, expressive eyes, and dark hair usually styled in Victorian-inspired curls or updos. She often wears distinctive purple or black period-inspired outfits with long coats, gloves, and high collars.

Kate Stewart Played by: Jemma Redgrave First appearance: “The Power of Three” (2012) General Kate Stewart is the daughter of Brigadier Alistair Gordon Lethbridge-Stewart and a leading figure within UNIT. She becomes one of the Doctor’s most trusted human allies in the modern era. Personality Kate is intelligent, practical, diplomatic, and level-headed. Unlike some military leaders in UNIT’s past, she usually approaches alien encounters with scientific curiosity and caution rather than aggression. She maintains a dry sense of humor and strong leadership skills. Physical Description Kate is a white British woman with red hair and refined features. Her appearance is professional and authoritative, usually involving formal businesswear, military-adjacent attire, or UNIT uniforms.

Me / Ashildr Played by: Maisie Williams First appearance: “The Girl Who Died” (2015) General Ashildr is a Viking girl whose life is saved by the Twelfth Doctor using Mire technology, granting her functional immortality. Over centuries she adopts many identities, eventually calling herself “Me.” She becomes a recurring ally and morally ambiguous figure. Personality Ashildr/Me is resourceful, adaptable, intelligent, and emotionally hardened by immortality. Early on she is energetic and curious, but centuries of loss gradually make her detached and pragmatic. Despite this, she still retains traces of compassion and loneliness. Physical Description Ashildr is a young white woman with brown hair, pale skin, and sharp expressive features. Her appearance changes somewhat across time periods, ranging from rough Viking clothing to futuristic attire, but she often maintains a practical and rugged style.

The Daughter of Donna Noble - Rose Noble Played by: Yasmin Finney First appearance: “The Star Beast” (2023) General Rose Noble is the daughter of Donna Noble and Shaun Temple, introduced during the 60th Anniversary specials featuring the Fourteenth Doctor. She lives with her family in London and becomes involved in events surrounding Donna’s hidden Time Lord metacrisis energy. The Doctor quickly recognizes that Rose has inherited part of that lingering connection. Her name is partly inspired by Donna’s subconscious memories of Rose Tyler, whom Donna had forgotten after her memory wipe. Rose becomes central to resolving the metacrisis storyline that originally forced Donna to stop traveling with the Doctor. Personality Rose is portrayed as kind-hearted, creative, emotionally perceptive, and resilient. She shows strong empathy toward outsiders and people being mistreated, particularly during the events involving the Meep. She also demonstrates courage under pressure despite initially being overwhelmed by dangerous situations. She has a somewhat sarcastic sense of humor inherited from Donna and shares her mother’s tendency to speak bluntly when upset or frustrated. Rose is also shown struggling with social acceptance and bullying, which contributes to her emotional maturity and sensitivity toward others. Physical Description Rose is a young transgender British woman with long red hair and soft facial features. Her style is youthful and expressive, often including modern casual clothing with colorful or alternative fashion elements. Her appearance visually echoes Donna Noble through their shared red hair and facial expressions while still maintaining her own distinct look and style.

Appearance: The Thirteenth Doctor, portrayed by Jodie Whittaker, is 5 foot 6 inches (1.68 m) tall. Her costume includes blue culottes, a navy blue t-shirt with a rainbow stripe, a lilac-blue trench coat with a hood, brown lace-up boots, blue socks, and piercings on her left ear. Wikipedia says the Thirteenth Doctor's outfit was inspired by a photograph of a woman in men's clothing from a 1988 issue of Sassy.