List of characters

Here's a list of Characters from the show Johnny and Danny which Greenytoons aired on April 6, 2001 to December 2, 2017.

Johnny Smith
Johnny Smith (voiced by Tom Kenny) is Danny's stepbrother, Katherine's younger brother, Laura Smith-Forester's son, Robert Forester's stepson and one of the main characters of the show and he return in the movie "Johnny and Danny The Movie: Katherine Versus the Universe" in 2021. He was born on March 21, 1992.

Danny Forester
Danny Forester (voiced by Bill Fagerbakke (original series, 2001-2017), "Weird Al" Yankovic (Johnny and Danny The Movie: Katherine Versus the Universe)) is Johnny and Katherine's stepbrother, Robert Forester's son and Laura Smith-Forester's stepson.

Katherine Smith
Katherine Holly Smith (voiced by Grey Griffin) is Johnny's 15-year-older sister, Danny's stepsister, Laura Smith-Forester's daughter and Robert Smith-Forester's stepdaughter.

Gary the Platypus
Gary the Platypus (voiced by Dee Bradley Baker) is Johnny and Danny's pet.

Maurice Dumbrowski
Maurice Dumbrowski (voiced by Seth MacFarlene) is Gary the Platypus's boss and Dylan Dumbroski's father.

Eugene Eviltrap
Eugene Eviltrap (voiced by Craig Bartlett) is Gary the Platypus's nemesis, Linda's husband, Sharon's father, Jeremy's older brother and Mr and Mrs. Eviltrap's older son.

Laura Smith-Forester
Laura Smith-Forester (voiced by April Winchell) is Johnny and Katherine's mother, Danny's stepmother, Robert Forester's wife and Charlene and Harold's daughter and first child.

Robert Forester
Robert Forester (voiced by Daran Norris) is Danny's father, Johnny and Katherine's stepfather, Laura Smith-Forester's boyfriend and Nataliya and Daran Forester's son.

Florence Gomez
Florence Gomez (voiced by Tara Strong) is Johnny Smith's girlfriend and love interset, Rebecca and Jason Gomez's daughter and one of Katherine's friends.

Bobby Turner
Bobby Turner (voiced by Frankie Muniz) is Johnny and Danny's best friend and Willam and Vivian's son.

Guillermo Sutton
Guillermo Jackson (voiced by Gary LeRoi Gray) is Johnny and Danny's friend from Canada.

Chandler Thonnings
Chandler Thonnings (voiced by Chris Kirkpatrick) is Katherine Smith's crush and boyfriend, one of Johnny and Danny's friends, Nataliya and Willam Thonnings's son and Lucy Thonnings's older brother.

Carla Verlean
Carla Verlean (voiced by Candi Milo) is Katherine's best friend, Isabella's older sister and Dr. Verlean's oldest daughter.

Sharon Eviltrap
Sharon Tammy Eviltrap (voiced by Lori Alan) is Eugene and Linda's teenage daughter, George Eviltrap's niece and Danny's future girlfriend and love interset.

Linda Eviltrap
Linda Eviltrap (voiced by Jill Talley) is Sharon's mother and Eugene's ex-girlfriend. She is a friend of Laura who taking cooking class.

George Eviltrap
George Eviltrap (voiced by Carlos Alazraqui) is Sharon's uncle and Eugene's younger brother. He is a mayor of Reedville.

Chester the Intern
Chester the Intern (voiced by Gilbert Gottfried) is Maurice's intern guy and cameraman.

Charlene Smith and Harold Smith
Charlene Smith and Harold Smith (voiced by Marion Ross and Barry Bostwick) is Laura and Vanessa's parents and Johnny and Katherine's grandparents.

Bridgette and Daran Forester
Bridgette Forester and Daran Forester (voiced by Malcolm McDowell and Jane Carr) is Robert and Lawrence's parents and Danny's grandparents.

Timmy Anderson
Timmy Anderson (voiced by Danny Tamberelli) is a son of David Anderson, younger brother of Sara Anderson and one of Johnny and Danny's friends.

Bill Flynn
Bill Flynn (voiced by Greg Cipes) is Johnny and Danny's friend.

Nora Verlean
Nora Verlean (voiced by Jennifer Seguin) is Carla and Isabella's mother and Laura's best friend.

Becca Mulligan
Becca Mulligan (voiced by Kate Soucie, April Winchell in "The Chase of Success" and "Hidden UFO Fly") is a news reporter from the Reedville News and one of Laura's friends from Backyard Sea.

The Starside Girls

 * Isabella Verlean (voiced by Tara Strong) is Carla's younger sister and a first member of The Starside Girls.
 * Candace Baugh (voiced by Candi Milo) is a second member of The Starside Girls.
 * Vanessa (voiced by Grey Griffin) is a third member of The Starside Girls.
 * Lana (voiced by Cathy Cavadini) is a fourth member of The Starside Girls.
 * Amanda (voiced by Tara Strong) is a fifth member of The Starfside Girls.
 * Sally (voiced by Grey Griffin) is a sixth and final member of The Starside Girls

Sara Anderson
Sara Anderson (voiced by Tara Strong) is Katherine and Carla's friend and Timmy's older sister. She has her and Timmy's cousin named Rosie Hudson.

Lucy Thonnings
Lucy Thonnings (voiced by Tara Strong) is Chandler's younger sister and Katherine's nemsis

Willam Flynn
Willam Flynn (voiced by Seth Green) is Bill's older brother.

Jeff the Robot
Jeff the Robot (voiced by Seth MacFarlene) is Eugene's giant goofy robot man.

Love Skylark

 * Chip (voiced by Jaret Reddick, Chris Kirkpatrick (singing voice)) is a leader and lead singer of Love Skylark and one of Johnny and Danny's friends.
 * Tony (voiced by Gene Simmons) is a second member.
 * Bobby Bing (voiced by Jason Bateman)