Character Name : Captain Underpants / Mr. Krupp / Buffalobe (voice)

Original Name : Nat Faxon

Gender : Male

Character Name : Harold Hutchins (voice)

Original Name : Jay Gragnani

Gender : Male

Character Name : George Beard / Young Mr. Cleveland (voice)

Original Name : Ramone Hamilton

Gender : Male

Character Name : Narrator / Putter Mulligan (voice)

Original Name : Sean Astin

Gender : Male

Character Name : Jessica / Dressy / Smartaconda (voice)

Original Name : Dayci Brookshire

Gender : Male

Character Name : Melvin / Stanley Peet (voice)

Original Name : Jorge Diaz

Gender : Male

Character Name : Benjamin Franklin (voice)

Original Name : Todd Grimes

Gender : Male

Character Name : Comic Narrator / Marlin (voice)

Original Name : Peter Hastings

Gender : Male

Character Name : Steve "Gooch" Yamaguchi (voice)

Original Name : Evan Kishiyama

Gender : Male

Character Name : Mr. Meaner (voice)

Original Name : David Koechner

Gender : Male

Character Name : Mr. Cleveland / Viper Chai (voice)

Original Name : Phil LaMarr

Gender : Male

Character Name : Erica (voice)

Original Name : Erica Luttrell

Gender : Female

Character Name : Miss Anthrope (voice)

Original Name : Patty Mattson

Gender : Male

Character Name : Bo Hweemuth (voice)

Original Name : Brennan Murray

Gender : Male

Character Name : Lee Dingman / Hugo Mouthingwad (voice)

Original Name : Nolan North

Gender : Male