Christopher William: Monster Hunter Boss is an American animated action-fantasy-comedy television series, being created by [letting Green pick]. It is produced by Universal Animation Studios and Universal Content Productions and it airs on Universal Kids since April 7th, 2020.
Christopher William was an average teenage boy until he finds an ancient sword and a jellyfish who can breath above water as he heads to fight against the supernatural.
- Christopher William (voiced by Jack DeSena) - a slightly egotistical thirteen-year old-boy who gains a mythical sword and heads to hunt the supernatural.
- Jelle (non-speaking) - an emotionless yet smart jellyfish who can't speak and is Christopher's spirit guardian and "sidekick".
- Wayne William (voiced by Jeffrey Combs) - Christopher's grandfather who often gives him valuable advice, especially since he used the sword decades before.
- Selena Marks (voiced by Mae Whitman) - Christopher's super friendly and perky best friend who is the only of his school friends to know his identity as a monster hunter.
- Arthur Weebs (voiced by Max Mittelman) - the most skeptical kid in the school who is also apparently Christopher's other best friend as he believes that monsters are fake.
- Melody Morris (voiced by Tara Strong) - the school's queen bee who everyone has a crush on except for Christopher as the only person she has feelings for is the mysterious monster slayer.
- Jenny Ho (voiced by Amanda Leighton) - a TBD teenager who TBD.
- The Seeker (voiced by Brian George) - an omnipotent entity who is TBD.
- Reaper (voiced by Graham McTavish) - TBD
- Esmeralda (voiced by Olivia Olson) - TBD
- Yoyo (voiced by Rob Paulsen) - a yo-yo loving goblin who is extremely hard to work with and reluctantly helps Christopher at times.
- Sammy (vocal effects by Tara Strong) - a TBD ghost baby who often TBD.
- The Burrito Duchess (voiced by Maria Canals-Barrera) - the mascot of a famous restaurant known as Burrito Duchess.
- The Yellow Swordsman (voiced by Josh Keaton) - a fictional superhero who is the main in Christopher's favorite show and always wields a yellow sword.
- Bryan (voiced by Ice-T) - a police officer bull who is the main character of Wayne's favorite show, Law and Horn.
- The Supreme Monster King (voiced by Mr. Lawrence) - a terrifying yet somewhat hammy super monster who is the king of monsters and is out to destroy humanity and repopulate Earth with the supernatural.
- El Diablo (voiced by [flamboyant Hispanic voice]) - TBD
- Scream Queen (also voiced by Mae Whitman) - TBD
- Hyena (voiced by Ashley Johnson) - TBD
- The Great Rava (voiced by [female flamboyant]) - a circus performer who TBD.
- Evil Christopher (also voiced by Jack DeSena) - an evil clone of Christopher who aims to replace TBD.
- Bryant Combs (voiced by Nolan North) - a world famous country singer who is actually an immortal vampire who sucks on his fangirls' blood to be younger.