David's family
David Johnson: The main character. Eighteen-years-old, a senior in high school. Has been transformed into a puddle of goo with the power to possess other bodies.
John Johnson: David's forty-year-old father.
Martha Johnson: David's thirty-eight-year-old mother.
Mary Johnson: David's twenty-year-old sister, a college sophomore.
Joanna Johnson: David's fifteen-year-old sister, a freshman in his high school. Best friends with Sarah Pak.
David's friends (and their school-age siblings)
Caleb Ryerson: David's best friend. Smart, wiser in the ways of the world than David; loyal to a fault.
Keith Keighly: A friend of David's. Rangy and impudent, with a bit of a temper.
Matt Isaacs: A friend of David's. Fat.
Dana Pak: A girl in David's senior class; he's long had a crush on her. Japanese-American.
Sarah Pak: Dana's sister; a freshman in the high school. Best friends with Joanna Johnson; she harbors a secret crush on David.
Seniors at Eastman High School
June Platt: A friend of Dana's. Caleb is attracted to her.
Melissa Swenson: A friend of Dana's.
Adam Karter: Guy at school; plays in a band with Paul Zametti.
Paul Zametti: Guy at school; plays in a band with Adam Karter.
Chris Yves: Leader of punk band. Out-of-the-closet lesbian.
Terry Fitzgerald: One of Chris Yves's bandmates.
Lisa Palacki: Terry Fitzgerald's girlfriend.
Thomas Gilliman: One of Chris Yves's bandmates.
Chris Trantham: One of Chris Yves's bandmates.
Kyle Lakewood: Captain of the boys' soccer team. Dating Jenny Taylor.
Jenny Taylor: Captain of the girls' soccer team. Dating Kyle Lakewood.
Zach Vanderburg: Goalie on the soccer team; best friend of Kyle Lakewood. Bully.
Andrew Claskey: Soccer player.
Peter Robins: Soccer player.
Kristy Carlson: Student. Very rich.
Sammy Orson: Social butterfly.
Shawn Gregory: Basketball player; an object of Dana Pak's affections.
Vicki Tannauwer: Shawn's ex-girlfriend.
Brett Dutoit: Basketball player.
Ian Carpenter: Captain of the basketball team; best friends with Shawn Gregory.
Scott Bridges: Basketball player.
Derek Linwood: Basketball player; best friends with Scott Bridges.
Susie Maitland: Derek Linwood's girlfriend
Ben Paxon: Basketball player. Jerk and bully.
Tony Rodriguez: Basketball player. Jerk and bully.
Timothy Johnson: Basketball player. Former junior-year class president.
Conor Nilsson: Basketball player.
Jordan Reynolds: Basketball player. Father owns a salvage yard. Has just broken up with Hannah Chamberlain.
Jonathan Straussler: Basketball player. Father (Curt Straussler) owns Proteus Technology. Rich.
Kevin McIlroy: Football player.
Hank Greene: Football player.
Hannah Chamberlain: Captain and star forward of the girls' basketball team. Friends with Kristy Carlson; has just broken up with Jordan Reynolds.
Amanda Conners: Student; friends with Hannah Chamberlain.
Tasha Brown: Student; friends with Hannah Chamberlain.
Rhianna Miller: African-American cheerleader.
Jessica Pearce: Cheerleader. Beautiful and smart.
Alyssa Randal: African-American cheerleader; member of debate team; gossip and queen bee.
Tina Branson: Student; gossip.
Mandy Simpson: Student; gossip.
Maddy Caron: Student; gossip.
Lisa Rickover: Student; gossip.
Natalie Dawkins: Student; gossip.
Summer Nguyen: Student; hangs around Alyssa. Object of Chris Yves' affection
Geoff Dunholm: Theater guy; member of debate team.
Darcy Whitehead: Student, friend of Geoff Dunholm. Smart and ambitious and scary.
Cooper Black: Baseball player; member of debate team; dating Faye Griffin.
Faye Griffin: Member of debate team; dating Cooper Black
James Black: Shy but good-looking student; former soccer player.
Amy Rhodes: Senior. A girl that James Black has a crush on.
Lawrence Farmer: A heterosexual "queen."
Elisabeth Pruit: Member of the swim team.
Mitch Kendall: Member of the swim team. Has been chasing Elisabeth Pruit
Becky Torres: Bombshell cheerleader.
Eddie Wasnowski: Member of debate team.
Hector Armijo: Member of debate team.
Jennifer Wallace: Drama student.
Gabe Sunstein: Drama student.
Jordan Treat: Student.
Reggie Dortmund: Student.
Tucker Aldrich: Student.
Flora and Brenda Ioescomb: Students. Twin sisters
Ryu Mun-hyeok: Korean exchange student. Wild. Loves English curse words.
Liam Mahon: Irish exchange student. Staying with Kelly Trask's family.
Kelly Trask: Student. Liam Mahon is staying with her family.
Joshua Cheswick: Student. Has a thing for marionettes.
Brent Kasnowski: Student.
Eloise Stroud: Student. Dumpy and unpopular.
Simone Mandelbaum: Student
Lyle Drummond: A guy Mandy Simpson is sweet on.
Freshman/Sophomores/Juniors at Eastman High School
Sarah White: Freshman. Coach White's kid sister, and Shawn Gregory's secret girlfriend; she lives next door to him, with her brother and parents.
Helen Kendall: Freshman. Best friends with Sarah White, friends with Sarah Pak.
Patrick Carlson: Freshman. Kristy Carlson's younger brother.
Cindy Orson: Freshman. Sammy Orson's sophomore sister.
Belinda Harrison: Freshman. One of Joanna Johnson's friends. Bossy.
Russ Edmonds: Freshman. A boy Joanna Johnson is sweet on.
Justin Tremayne: Freshman. Best friend of Russ Edmonds.
Tracy Haverstock: Freshman. Has a 6-year-old brother named Spencer. Friends with Ramona Benson and Sarah Pak.
Ramona Benson: Freshman. Brainy/nerdy hipster. Study-buddy with Sarah Pak.
Carrie Carmichael: Freshman. Snotty queen bee type.
Darryl Murphy: Freshman. In love with Tracy Haverstock.
Eric Mandelbaum: Freshman. Gross-looking.
Monique Travers: Freshman. Jonathan Straussler's girlfriend.
Shanice Cole: Freshman student.
Shannon Paris: Freshman student.
Nick Diaz: Freshman student; dark and handsome.
Xander Talbot: Freshman student.
Sara Alvarez: Freshman student.
Todd Conyers: Junior. African-American. Smart, kind of nerdy. Friends with Bella Romano, and in love with her.
Micah Winters: Junior. Spiffy dresser with a suave manner. Closeted gay.
Bella Romano: Junior.
Amber Morneau: Junior student.
Westside High School
Yumi Saito: Cheerleader. One of Dana's cousins. Friends with James Lamont, Carson Ioeger, Paul Davis, and Jenny Ashton.
Mokichi Saito: Yumi's college-freshman brother.
Chelsea Cooper: Head cheerleader; blonde and vicious; Gordon Black's girlfriend.
Maria Vasquez: Cheerleader.
Kendra Saunders: African-American cheerleader
Lin Pol: Cheerleader.
Gloria Rea: Cheerleader.
Andrea Varnsworth: Swimmer.
Gordon Black: Basketball team captain; Chelsea's boyfriend.
Steve Patterson: Basketball player; Gordon's best friend.
Jason Lester: Baseball player; hangs around with Gordon and Steve.
Paul Davis: Student. Has a crush on Yumi Saito.
Jenny Ashton: Tomboyish student; good friend of Yumi Saito's.
James Lamont: Student; friend of Jenny and Paul and Carson.
Carson Ioeger: Student; friend of Jenny and Paul and James.
Fatima Zahedi: Student; of Persian ancestry.
Sienna Goldman: Student; friend of Fatima.
People at school
Kay Cussler: High school history teacher. A real hard-ass.
Ms. Henderson: Twenty-something biology teacher.
Mr. Federmann: Calculus teacher.
Dale White: Basketball coach.
Ms. Robinson: English teacher.
Mr. Geohagan: Computer science teacher.
Mrs. Hodgson: Debate teacher
Janice Heinrich: Girls' basketball coach.
Alan Bennett: School principal
Roman Radu: Boys' soccer coach.
Mr. Ibanez: Social studies teacher
Mr. Tanner: Teacher
Keyserling College
Sam Baxter: Mary Johnson's boyfriend.
Allison Garner: College student; Mary Johnson's best friend.
Karl Tollefson: College student; poet. Friend of Mary Johnson's, and is sweet on her.
Tom Ertzberger: College student; one of Karl Tollefson's roommates.
Derek Travers: College student; one of Karl Tollefson's roommates.
Lina Minkowski: College student; acquaintance of Karl Tollefson's
Kathy Dutton: College student; an acquaintance of Mary's.
Mitchell Thompson: College student; an acquaintance of Mary's.
Carter White: College student; an acquaintance of Mary's. Gay.
Janice Bellinger: Sam Baxter's ex-girlfriend.
Chad Olafsky: College student. Shares house with Josh, Michael, Anthony, Raul, and Yung-ching.
Josh Tyler: College student. Shares house with Chad, Michael, Anthony, Raul, and Yung-ching. Dating Cindy Boswell
Michael Hennessey: College student. Shares house with Chad, Josh, Anthony, Raul, and Yung-ching.
Anthony Petrelli: College student. Shares house with Chad, Josh, Michael, Raul, and Yung-ching.
Raul Mendoza: College student. Shares house with Chad, Josh, Michael, Anthony, and Yung-ching. Dating Felicia Stobowlski.
Yung-ching Cheng: College student. Shares house with Chad, Josh, Michael, Anthony, and Raul.
Sandra Michaels: College student. Friends with Chad, Josh, et al.
Cindy Boswell: College student. Dating Josh Tyler.
Patrick Sawyer: College student. Friend of Josh Tyler. Lives in a house of a dozen other preppy types.
Andy Henson: College student. Housemate of Patrick Sawyer. Dating Wendy Nivelle.
Paul Kleema: Housemate of Patrick Sawyer's. Father is software multimillionaire. Dating Jenny Sunderland.
Jonathan Tilley: Housemate of Patrick Sawyer's. Clotheshorse.
Wendy Nivelle: College student; dating Andy Henson
Chris Martin: College student; housemate of Patrick Sawyer's.
Joe Cooke: College student; housemate of Patrick Sawyer's.
John Oliver: College student; housemate of Patrick Sawyer's.
Morgan Dower: College student; housemate of Patrick Sawyer's; lives there with his girlfriend.
William Prower: College student; housemate of Patrick Sawyer's.
Stephan Fuller: College student; housemate of Patrick Sawyer's.
Richard Doty: College student; housemate of Patrick Sawyer's.
Alec Blackwell: College student; housemate of Patrick Sawyer's.
Tommy Yarbrough: College student. Friend of Chad Olafsky and Anthony Petrelli.
Jack Sanford: College student. Friend of Josh Tyler. Father is a cop.
Felicia Stobowlski: A.k.a. "Fellatia." College student. Dating Raul Mendoza.
Jenny James: College student, friends with Sandra Michaels.
Christina Lane: College student. Roommate of Sandra Michaels.
Hector Trujillo: Co-worker with Michael Hennessey at a liquor shop.
"Shufflemouth": College student, classmate of Michael Hennessey.
Eddie Baxter: College student, dating Carrie Lisson. Friends with Michael Hennessey.
Carrie Lisson: College student, dating Eddie Baxter. Friends with Michael Hennessey.
Sandra Berlinski: College student, friend of Cindy Boswell. One of the Alphas.
Crystal Southwell: College student, one of the Alphas.
Janice Roberts: College student; taking a class with Prof. Freeman.
Walter Jantze: College sophomore; an ex-boyfriend of Dana Pak's, they had a bad breakup in high school.
Professor Jack Freeman: French Lit professor, one of Chad's profs.
Francine Herschel: Director of the university musuem.
Lydia Affler: University fundraiser.
Professor Siletsky: University professor.
Bob Kittridge: University novelist-in-residence.
Neighbors/others
Mark Taylor: A next-door neighbor. Twenty-six-years old. Chemical engineer.
Fort Suffolk
Colonel Quincy Lord: The chief officer at Fort Suffolk. Cool, professional, intent on protecting his projects and on catching David. Has a daughter, Diana, in David's high school.
Captain Eric Sanchez: Colonel Lord's chief aide. Smart and conscientious, but with a bit of a devil-may-care attitude. A lady's man.
Dr. Jillian Harding: The chief scientist at Fort Suffolk, and the inventor of the compound that transformed David. Brilliant, eccentric, hard-working; also young, sweet-tempered, and button-cute. Mostly oblivious to military protocols.
General Michael Rowan: Highest-ranking officer at Fort Suffolk.
Major Peter Blackwell: Colleague of Lord and Sanchez, helping with the Johnson/Ryerson investigations.
Lt. Claire Briggs: Friend of Jillian Harding.
Lt. Paul Isaacs: Soldier
Lt. Henry Gates:
Cpl. Hugh Fisher: Soldier
Cpl. Ed Petuko: Soldier
Cpl. Charles Hurst: Soldier
Cpl. Stuart Mitchell: Soldier
Cpl. Victor Ramirez:
Lance Corporal Kevin Liebrecht: Soldier, friend of Chalmers.
Lance Corporal Vince Chalmers: Soldier, friend of Liebrecht.
Lance Corporal Ed Zander: Soldier, a regular guard at Building A-6.
Lance Corporal Randy Gibson: Soldier
Pvt. Tim Kelley: Soldier; works in the motor pool.
Other people (including parents)
Will Madison: John Johnson's supervisor at work.
Gloria Ryerson: Caleb's mother. Divorced and estranged from Caleb's father.
Kaori Pak: Dana's mother.
Bill Pak: Dana's father.
Kaylee Pak: One of Dana's cousins. A college freshman.
Aunt Kiku: Bill Pak's sister. An old busybody.
"George": One of Dana's cousins; ten years old, and loathsome to her.
Sam Gibson: A guy at Dana's church. Has a crush on her, but he creeps her out.
Edgar Llewellyn: Trailer park manager where the Karters live. A cripple.
Laura Karter: Adam Karter's mom. A drunk.
Carl Straussler: Jonathan Straussler's father; billionaire; owns Proteus Technologies, a high-tech firm with military ties; has an office at Fort Suffolk
Gregory Berger: Carl Straussler's bodyguard; ex-Marine
Marianne Traynor: Carl Straussler's secretary at Fort Suffolk
Curt Peterson: Adam Karter's father; just released from prison on a burglary charge.
Magda: The Carlson's cook.
Andrew Chamberlain: Middle-manager at a tech firm. Father of Christine and Hannah Chamberlain. 37 years old.
Denise Chamberlain: Wife of Andrew Chamberlain. Nurse at a local hospital.
Christine Chamberlain: 11-year-old daughter of Andrew and Denise Chamberlain.
Haley Solomon: Teen pop star.
Victoria James: Rich, thirty-something socialite.
Timothy Sutton: Cop. Works with Ray Ramirez.
Ray Ramirez: Cop. Works with Ray Ramirez.
Brian Clark: Park ranger. Eco-nut. Married to Trina Clark.
Trina Clark: Wife of Brian Clark.
Vincent Gallegos: Park ranger. Brian Clark's superior.