I'm allergic to dust.
Voiced by: Monica Ward (Italian), Holly Gauthier-Frankel (English)Zick is the main hero of the series. A young loner with allergies, Zick is called weird by everyone else. He is a Monster Tamer.
- Betty and Veronica - The Betty to Teddy's Veronica for Lay's Archie, and the Archie for Elena's Betty and Lay's Veronica.
- Last Name Basis - Even his dad calls him Zick. His dad on the other hand, is called Zob by everyone.
- Loners Are Freaks - Gets this treatment in school.
- Tomato in the Mirror - Zick is a monster, as with all tamers.
I... I can see you!
Voiced by: Monica Ward (Italian), Annie Bovaird (English)Elena is the main heroine of the series. She is Zick's best friend. She later becomes a Monster Keeper.
- Badass Normal - Even though she only has the Sight Dom, she's tough.
- Betty and Veronica - The Betty to Lay's Veronica for Zick's Archie.
MagnacatFrighten my enemies on this trip because fear is what drives out enemies.
Voiced by: Roberto Draghetti (Italian) Al Goulem (English)Magnacat is the main villain in season 1. He is the president of Pyramid Inc., but in reality, he is a shape-shifting Gorka. His main plans are attempting to take over Bibbur-Si.
- Surrounded by Idiots - When it comes to Omniquod and Omnised
Moog MagisterYou're brave to take on the Moog Magister?!Moog Magister is the main villain in season 2. He is the lord of the Anguanes.
Hector SinestroI will have my revenge, or my name isn't Sinistro!Hector Sinestro is the main villain in season 2. He is a Dark Tamer who tries to get revenge on Zick's father, Zob.
- Revenge by Proxy - How he targeted Zick instead of his father.
Omnised and OmniquadThe two Gorka brothers and Magnacat's minions.
- Sinister Shades - When in their human forms
ViziosedOmnised and Omniquad's replacement after the two are captured.
- Canon Foreigner: Exclusive to the cartoon.
Emily VermeerZick's aunt and an Anguane.
As a Keeper, I have the gift of Sight. I can pass this into few chosen people, and you, Elena, are one of them.
Voiced by: Alessandra Korompay (Italian), Pauline Little (English)Zick's mother.
- Inherent Gift: How Greta could pass the gift of sight to one person.
Zobedja "Zob" Zick
Kids. They never listen.
Voiced by: Andrea Ward (Italian), Mark Camacho (English)Zick's father.
Theo Barrymore and Tessa GrangeZick's maternal grandparents and white ghosts.
Ezeria Zick and Maria BertoldZick's paternal grandparents.
Harvey PotatoHarvey is Elena's father.
Julie PotatoElena's mother. Later in the series, she gave birth to twins, a boy and a girl (in the comic book series, their names are Charlie and Violet).
Lonzo PotatoElena's 8-year-old cousin.
PurrcyElena's pet cat.
PuffyElena's pet rabbit. In the comic book had a run-in with a Digesting Plant, with long-term effects
- Boxing Lessons for Superman: Deputy-Deth had it trained to hunt Tamers. Part of the training included learning kung-fu.
- Killer Rabbit: Becomes a dangerous part-monster after the run-in with the Digesting Plant, especially after Deputy-Deth had it trained to hunt down Tamers.
- Stuff Blowing Up: After his training with Deputy-Deth, he can cut carrots in perfect halves with flying kicks, the carrot then exploding.
Voiced by: Pietro Ubaldi (Italian), Rick Jones (English)One of the monsters in Zick's house under the supervision of Timothy, and later by Jeremy. He likes eating Zick's shoes, and cries when taking a diet. His crime is ignoring his diet and stealing some cakes.
Voiced by: Riccardo Peroni (Italian), Gordon Masten (English)Snyakutz Bu is another monster in Zick's house under the supervision of Timothy and later by Jeremy. His crime is littering (leaving pieces of himself everywhere).
Clak-RitakA Bobak, yet another monster in the Barrymore's Detention Oasis. His crime is playing violin horribly out of tune.
Ben-TalakAlso a Bobak, and another monster in the Barrymore's Detention Oasis. His crime is telling make-up stories and lying.
TrengingiganThe legendary Gorka-hunter in Bibbur-Si. He is a Gingi with an eye patch on his right eye.
Chumba BagingiOne the monsters under Lardine's Detention Oasis. He is an exhibitionist, a monster who makes himself visible to humans. He escaped when Lardine was resting in Elena's House. He was saved by Zick and Elena from two Dark Phantoms, and later was captured by Zick.
Timothy-MothZick's cat and Tutor.
Jeremy-JothTimothy's replacement, but is dropped in that position.
LardineThe only female cat and Tutor (in the cartoon). She is in charge of the Detention Oasis at Port Reef.
- The Smurfette Principle: Cartoon only: the comic features a number of other female Tutors.
Tadduja "Teddy" ThaurA 14 year-old Tamer, and one of Zick's friends. He is a show-off, arrogant and boastful to anyone. He sometimes respects Zick, but not Elena that he always call her Potato.
Terrentuja "Terrence" ThaurTeddy's father.
Johanna TulasechTeddy's mother.
Lay MameryA 14 year-old female Tamer, one of Zick's new friends. She is admired by the young male Tamers, including Teddy and Zick, a reason that Elena is a bit jealous of her.
- Betty and Veronica - The Veronica to Elena's Betty for Zick's Archie, and the Archie for Zick's Betty and Teddy's Veronica.
- Hot for Teacher - In the comic series, she has a crush on her teacher Dan Tulasech.
Bobby ClashA new young Tamer in the Ancient Armory, and a new character in the second season of the animated series. He is very handsome and popular among the girls in the Armory especially Elena and Lay, which made Zick a bit jealous of him.
Patty Smirnov and Mattie O'HarePatty and Mattie are the two school journalists who tease Elena for hanging out with Zick.
- Laser-Guided Amnesia - When they found out about the world of monsters.
David McMackamackDavid is a bully who picks on Zick, but stops bullying him once he becomes Annie's friend.
Deputy-DethAn ex-Tutor Maxim out of the job because of abusing power.
- Cool and Unusual Punishment/Baleful Polymorph: His ultimate fate: he's turned in an actual cat for good.
- Jerkass Has a Point: Has an annoying habit of making some fine points, especially when he's being a jerk. One moment above all is when he's at Zick's home to prevent him and Greta from assisting Timothy, Jeremy and the adult Tamers (currently fugitives from the law): he forces Zick to carry around a retrained were-Puffy and never leaves Greta, and Zick still escapes surveillance and Greta bolts the very moment he lets her shower alone on condition she sings to prove she's still there (Greta has Bombo sing in her place).