|Country of origin:||United States|
|No. of seasons:||5|
|No. of episodes:||65 (List of episodes)|
|Production company(s):|| Man of Action Studios|
Toho Company Ltd
|Original channel:||Cartoon Network|
|Succeeded by:||Monster Kid: Master of Monsters|
Monster Kid is an American/Japanese animated superhero action-comedy television series co-created by Toho Company Ltd and Man of Action Studios. This show is set in the shared continuity of the GodzillaVerse.
Due to exposure from a chemical created from Godzilla's DNA, Max has the ability to morph into giant monsters and uses his powers to protect Diamond City with the help of his family and friends.
- Max Stewart (Voiced by Tara Strong) - the main protagonist of the show.
- Future Max Stewart (Voiced by Paul Tylak) - a sixteen year old version of Max from the future.
- Dennis Stewart (Voiced by) - the deuteragonist of the show and Max's twin brother.
- Zoey Wilson (Voiced by) - the tritagonist of the show. She is one of Max's classmates and love interest. She is actually a member of an alien race known as the Blight.
- Megan Stewart (Voiced by Anna Cummer) - the older sister of Max, Dennis, Daisy and Cora.
- Andy Deleon (Voiced by) - One of Max's classmates, cousin and Trixie's younger brother.
- Alex Burton (Voiced by) - One of Max's classmates and friends.
- Trixie Deleon (Voiced by Tara Strong) - Max's cousin, older sister of Andy and his biggest fan.
- Machi Yoko/Dreameye - A girl from Japan and the love interest of Dennis. She comes from a family of ninjas.
- Andrew Stewart - the long lost triplet brother of Max and Dennis.
- Mary Stewart (voiced by Vanessa Marshall) - executive officer of Deleon Corp and the mother of Max, Megan, Daisy, Dennis and Cora.
- Dr. Harold Stewart () - a scientist at Diamond City Tech and the father of Max, Megan, Daisy, Dennis and Cora.
- Daisy Stewart (voiced by April Stewart) - the young sister of Max, Dennis and Megan.
- Cora Stewart - the baby sister of Max, Dennis, Megan and Daisy.
- Jade Stewart () - CEO of Stewart Robotics and younger sister of Harold and Ivan.
- Jerry Deleon - the CEO of Deleon Corp, brother of Mary and the uncle of Max, Megan, Daisy, Dennis and Cora.
- Alina Deleon - a female reporter/photographer in Diamond City, Jerry's wife, mother of Trixie and Andy, and the aunt of Max, Megan, Daisy, Cora, Andrew and Dennis.
- Dotta () - An alien princess warrior.
- May Stewart/Monster Girl (voiced by) - a female clone of Max.
- Nora Stewart/Nitro Girl - a female clone of Max from an alternate universe.
- Doomette (voiced by Grey DeLisle-Griffin) - a female mercenary.
- King Blight -
- Queen Blight (voiced by Susan Eisenberg) -
- Orus - an all powerful transdimensional being.
- Zero - an ancient cosmic being from another dimension and the main antagonist of the show.
- Ivan Stewart/Gold Vulture (voiced by Mark Hamill and Steve Blum) - a supervillain who seeks to take over the world, Dr. Harold's twin brother, and uncle of Max, Dennis, Megan and Daisy.
- Mr. Z - an alien worm and one of the most wanted criminals in the universe.
- Dr. Whirlwind () - a supervillain who uses wind powers.
- Storm Queen - an evil female supervillain and the arch-nemesis of Dennis.
- Solace (voiced by) - a rouge A.I. and a major antagonist of the show.
- Charles Beck/The Titan - a mutated human who experimented on himself using a nanotech-based serum.
- Kaiju Lord - an evil alternate teenage version of Max from another timeline.
- Bio Leech - an energy being that feeds on electricity.
- Chrome Knights - an organization bent on world domination via advanced technology.
- Chrome King - the leader of the Chrome Knights.
- Tickles the Clown - a clown themed supervillain.
- Rose Mullen/Phantom - a supervillain and criminal mastermind.
- Adam Beck/Time King - a supervillain with the ability to control time.
- Solar Force - a group of alien criminals with special powers and Zero's elite soldiers.
- Specter -
- Gold Brothers - two subterranean dinosaurs that feed on gold.
- Cicada Titan - a monster created by Zero.
- Robo-Rex - a cybernetically enhanced dinosaur.
- Anagora - a hybrid clone kaiju.
- Zuaron - an giant wolf like Kaiju.
- Obsidian Worm -
- Vexon - an alien worm with cosmic powers.
- Insectra -
- Gangulor -
- Diamoria -
- Bargora - a dragon kaiju that spawn from Max's DNA.
- Red Moth - a genetically engineered moth kaiju created by Dr. Harold Stewart.
- Scarrah - bio-mechanical bird-like creatures created by Dr. Harold Stewart.
- Silvore - a bug creature created by Dr. Harold Stewart.
- Dawron - a bird-like kaiju spawned from Max's DNA.
- Darkstar - an alien monster who destroys worlds.
- Garnos - an bioweapon kaiju.
- Ogmora - a space monster from outer space.
- Vararong - a prehistoric monster.
- Zidorah - a giant dinosaur-like space monster.
- Dark Owl - an giant black owl kaiju.
- Drilleon - a prehistoric kaiju with a drill.
- Talogar -
- Zogeya -
- Mega Croc
- Medusa Flower
- Dream Worm
Main Article: List of Monster Kid episodes
Merchandise and Media
Anime and Manga
- Main Article: Monster Kid X
- Main Article: Monster Kid X
- Main Article: Monster Kid Universe
- Godzilla and several other Toho monsters make guest appearances.
- The show uses elements from the Ben 10 franchise and many Godzilla films.