Alphablocks/Captain Underpants

Cast

 * X as Captain Underpants
 * E as George Beard
 * U as Harold Hutchins
 * Magic E as Jorge
 * Magic U as Barold
 * K as Gooch
 * N as Bo
 * Kick as Kick Buttowski
 * B as Sophie One
 * C as Jessica Gordon
 * A as Sophie
 * L as Edith Anthrope
 * I as Miss Ribble
 * T as Stanley Peet
 * D as Stanley Beet
 * V as Van Klinku
 * Va as Van Klinky
 * M as Melvin Sneedly
 * O as Omly
 * Another O as Only Sophie
 * Y as Erica Wang
 * W as Ereka Wang
 * G as Grånåss
 * F as Flying Anthrioe
 * FF as Flying Anthrope
 * LL as Barbara
 * P as Polly
 * Z as Sleepy Oz
 * ZZ as Mechana-claus
 * ZZZ as Santa Claus
 * R as Ranrata
 * H as Shano
 * J as Joker
 * Q as Queeny
 * Snas as Snaile
 * S as Balloony
 * Lun as Tippy
 * Bun as Professor Poopypants
 * XX as Mr. Krupp
 * Another E as Gorge
 * Another U as Hrold
 * On as Lonny
 * All the Alphablocks as The Students of Jerome Horowitz Elementary School
 * In as Lenny
 * Off as Benny (only in Episode 13 only)
 * Beff as Beff
 * Key as Crackers
 * Fred as Sulu
 * and more

Notices
^ Notice: Characters!