Modern Family character guide

Who is Luke Dunphy in Modern Family?

The youngest Dunphy kid and Phil's mini-me, a goofy, oddly lucky boy whose scrambled logic and schemes with his step-uncle and best friend Manny make him a fan favorite.

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Luke Dunphy's Sitcomdle clue card

The five clues the game shows when Luke Dunphy is the answer or a guess.

Debut
2009
Network
ABC
Role
Main
Gender
Male

Luke Dunphy has not been a daily answer yet. Play today's Sitcomdle or play the Modern Family Wordle.

Played by
Nolan Gould
First episode
“Pilot”Season 1, Episode 1, aired September 23, 2009
Role
Main cast
Network
ABC
Occupation
Kid, then college student
Show run
2009 to 2020
Also known as
Lucas Dunphy, Lucas Philip Dunphy

Luke Dunphy is the happy-go-lucky youngest child of Phil and Claire, a kid whose head is always somewhere else. Played by Nolan Gould, he grows from a rambunctious grade schooler into a surprisingly well-connected young man over Modern Family's 11 seasons.

On Modern Family, Luke Dunphy's story runs through Phil Dunphy (Father), Claire Dunphy (Mother), Manny Delgado (Best Friend and Step-uncle), Haley Dunphy (Sister), Alex Dunphy (Sister), and Jay Pritchett (Grandfather).

Luke Dunphy from Modern Family: Sitcomdle character card

Who is Luke Dunphy?

Luke is Phil and Claire's only son and youngest child. He is named after his great-grandfather on Claire's side, and he shares his dad's boundless energy, love of goofy schemes, and gift for wandering off mid-conversation. His older sisters, Haley and Alex, treat him as a lovable nuisance.

His best friend is Manny, Gloria's son, who is technically his step-uncle despite being about the same age. The two bicker, plot, and team up through every season of the show, and their friendship is one of its constant threads.

Personality and comedy

Early Luke is the family's space cadet. He gets his head stuck in railings, misunderstands grown-up conversations, and famously repeats Claire's private gold digger remark about Gloria as "coal digger." His parents admit they may have dropped the ball with him, though a psychologist assures them he is perfectly bright.

As he gets older, Luke reveals a knack for getting by on charm and connections. He becomes a popular fixture at Jay's country club and a mini con artist with a good heart, and his bond with Phil, built on shared silliness, is among the show's warmest relationships.

Key storylines

In season two Luke befriends the family's elderly neighbor, Walt Kleezak, to his parents' nervous surprise, and in season three he has to cope with Walt's death. In season four he breaks Phil's heart by deciding to give up magic. He and Manny graduate high school together at the end of season eight.

Luke's college path is bumpy. He gets into college, and Phil, to Luke's horror, starts teaching a class there, and in the final season he asks to drop out to work on an app. He also kisses Manny's ex-girlfriend Sherry, which leads to a blowup between the two friends. In the series finale he announces he has been accepted to the University of Oregon and is moving out.

Behind the scenes and legacy

Nolan Gould joined Modern Family as a young child and played Luke for the full run of the series, so viewers watched him grow from a grade schooler into a college-bound young adult on screen.

Luke's arc is one of the show's quiet surprises: the kid his parents feared they had "dropped the ball" with turns out to be the sibling who gets by best on charm and connections, and his friendship with Manny gave the series a running kids' storyline that lasted all eleven seasons.

Key Luke Dunphy episodes

  1. “Pilot”Season 1, Episode 1Luke shoots Alex with a BB gun, and Phil has to follow through on his promise to shoot Luke.
  2. “Coal Digger”Season 1, Episode 5Luke spills Claire's gold digger comment as coal digger, and the family ends up in the pool.
  3. “Boys' Night”Season 2, Episode 18Luke befriends the old neighbor, Walt Kleezak, to his parents' alarm.
  4. “The Last Walt”Season 3, Episode 20Claire helps Luke cope with Walt's death.
  5. “The Graduates”Season 8, Episode 22Luke and Manny graduate from high school as Phil and Claire face how much he has grown.
  6. “Finale”Season 11, Episode 17Luke reveals he has been accepted to the University of Oregon.

Season and episode numbers follow the original broadcast order.

Luke Dunphy: frequently asked questions

Who plays Luke Dunphy in Modern Family?

Nolan Gould plays Luke in all 11 seasons of Modern Family.

Are Luke and Manny related?

Yes, by marriage. Manny is Gloria's son, and Gloria is married to Luke's grandfather, Jay, which makes Manny Luke's step-uncle even though they are about the same age.

What college does Luke Dunphy go to?

Luke first attends a college where Phil also starts teaching a real estate class. In the series finale he is accepted to the University of Oregon.

Why does Luke say coal digger?

In the season one episode "Coal Digger," Luke repeats something he misheard Claire say about Gloria, turning "gold digger" into "coal digger" and starting a family feud.

What happens to Luke at the end of Modern Family?

Luke is accepted to the University of Oregon and moves out, one of three Dunphy kids who leave home in the finale.

Test yourself: Luke Dunphy quiz

5 questions about Luke Dunphy. Think of your answer, then open the reveal to check it.

  1. Question 1

    What is the name of Cam's clown alter ego?

    1. Fizbo
    2. Bobo
    3. Giggles
    4. Mr. Sprinkles
    Show the answer

    Answer: A. Fizbo

    Cam shows up as Fizbo at Luke's birthday party in the season 1 episode Fizbo, which is bad news for Phil, who is terrified of clowns.

    See question 6 in the full quiz

  2. Question 2

    What word does Luke blurt out when repeating Claire's private insult about Gloria?

    1. Gold miner
    2. Coal digger
    3. Gravy digger
    4. Coal miner
    Show the answer

    Answer: B. Coal digger

    Claire had called Gloria a gold digger, and Coal Digger ends with Claire jumping into the pool fully clothed to make peace, with most of the family following her in.

    See question 10 in the full quiz

  3. Question 3

    In the Pilot, what punishment does Claire insist on after Luke shoots Alex with a BB gun?

    1. Luke has to give the gun to Manny
    2. Luke is grounded for a month
    3. Luke has to apologize on camera
    4. Phil has to shoot Luke with it
    Show the answer

    Answer: D. Phil has to shoot Luke with it

    Claire holds Phil to his word, but his attempt to follow through ends with him accidentally hitting Haley's new boyfriend, Dylan.

    See question 19 in the full quiz

  4. Question 4

    Who plays Luke Dunphy in Modern Family?

    1. Nolan Gould
    2. Yvette Nicole Brown
    3. Jamie Farr
    4. Henry Winkler
    Show the answer

    Answer: A. Nolan Gould

    Nolan Gould plays Luke Dunphy.

  5. Question 5

    In what year did Luke Dunphy first appear on Modern Family?

    1. 2009
    2. 2015
    3. 2011
    4. 2013
    Show the answer

    Answer: A. 2009

    Luke Dunphy debuted in 2009, in "Pilot" (Season 1, Episode 1). That year is the Debut clue in the game.

Take the full Modern Family quiz (30 questions)

Sources and corrections

Reference pages used for this guide, including character, cast, and episode details.

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