Main Characters

Homestar Runner

 * BODH Debut: Some Randomness
 * Complete Filmography

Strong Bad

 * BODH Debut: Some Randomness
 * The Movie
 * Helmet Quest
 * Helmet Wars
 * Rage Against the Pom (Easter egg, voice only)
 * Welcome to Discord Part 3: Curses Galore
 * The BODH Goes Crazy Go Nuts
 * Coach E's Happy Leave Mortality Day

The Cheat

 * BODH Debut: The Movie
 * Welcome to Discord Part 3: Curses Galore

Strong Mad

 * BODH Debut: The Movie
 * Rage Against the Pom
 * The BODH Goes Crazy Go Nuts (as The Teach)

Strong Sad

 * BODH Debut: Waddlemania
 * Clones, Cards, and Competitions
 * Rage Against the Pom
 * The BODH Goes Crazy Go Nuts
 * Coach E's Happy Leave Mortality Day

Pom Pom
In the BODH series, Pom Pom is the former owner of the Pillquarters. He gives it to the BODH in Rage Against the Pom.
 * BODH Debut: Helmet Quest
 * Rage Against the Pom
 * Welcome to Discord Part 3: Curses Galore

Marzipan

 * BODH Debut: The Movie
 * Welcome to Discord Part 3: Curses Galore

Coach Z

 * BODH Debut: Some Randomness
 * The Movie
 * Rage Against the Pom
 * Welcome to Discord Part 3: Curses Galore
 * The BODH Goes Crazy Go Nuts (with Strong Bad's personality and Homestar's voice)

Bubs

 * BODH Debut: Some Randomness
 * Rage Against the Pom
 * Welcome to Discord Part 3: Curses Galore
 * The BODH Goes Crazy Go Nuts (voice only, as Homestar)

The King of Town

 * BODH Debut: The Movie
 * Clones, Cards, and Competitions (Powered by The Cheat form)
 * Welcome to Discord Part 1: Sauce, 'Stumes, and Stuff
 * Welcome to Discord Part 2: Survival of the Hungriest
 * Welcome to Discord Part 3: Curses Galore

The Poopsmith
In the BODH series, he breaks his vow of silence often.
 * BODH Debut: The Movie
 * Rage Against the Pom
 * Welcome to Discord Part 1: Sauce, 'Stumes, and Stuff
 * Welcome to Discord Part 3: Curses Galore

Homsar
Homsar is Honstlar's half-half brother. In the Welcome to Discord series, the BODH visits the village of Homsar, Iran to escape the Cardgage curse. Homsar then infects them with the Homsar curse to show them what it's like to not be understood. However, when Grindolo begins spreading more curses, Homsar comes in to save the day.
 * BODH Debut: Decemberween in July
 * The Movie
 * Helmet Quest
 * Clones, Cards, and Competitions
 * Welcome to Discord Part 2: Survival of the Hungriest
 * Welcome to Discord Part 3: Curses Galore