| “ | Leaping Lizards! | „ |
| ~ Gekko's Catchphrase |
| “ | Cool Chameleons! | „ |
| ~ Another Gekko's Catchphrase |
| “ | "Slithering Serpents!" | „ |
| ~ Gekko's Catchphrase |
Gekko (real name: Greg) is the tritagonist in the first season and the deuteragonist in the second season of the cartoon, PJ Masks. He is also the youngest member of the team. His vehicular method of travel is the Gekko-mobile. He is one of the three heroes of the TV show, PJ Masks.
Personality
As Gekko
On occasion, Gekko pretends to be Kick McGee along with Catboy playing as Master Fang during missions. He sometimes displays insecurity, such as in Gekko's Super Gekko Sense when he made up a new power due to thinking that the powers he actually had would now help win the game. He can be easily distracted (which was emphasized in "Slowpoke Gekko"). Like his fellow teammates, childlike immaturity tends to overtake his mindset on the mission leading to issues (such as rejecting Owlette's desire to play along as Flossy Flash with them in "Catboy and Gekko's Robot Rampage"), but this is always realized and corrected leading to the mission being done properly, and the villain's plans foiled.
Physical appearance
The outfit of Greg's nighttime hero, Gekko, consists of a green mask and pajamas with dark green pads that transform into shields when Gekko activates it and says, "Super Gekko Shields!" but the pads on his legs do not work like the ones on his shoulders. He has scales on his costume for decoration and his head includes horns that are in order from biggest to smallest.
Appearences
Season 1
- Blame It on the Train, Owlette (tritagonist)
- Catboy's Cloudy Crisis (tritagonist)
- Owlette and the Flash Flip Trip (tritagonist)
- Catboy and the Pogo-Dozer (deuteragonist)
- Gekko and the Super Ninjalinos (main protagonist)
- Owlette's Terrible Pterodactyl Trouble (tritagonist)
- Catboy and the Shrinker (tritagonist)
- Owlette and the Moon-Ball (tritagonist)
- Catboy and the Butterfly Brigade (tritagonist)
- Owlette the Winner (tritagonist)
- Speak UP, Gekko! (main protagonist)
- Catboy and Master Fang's Sword (tritagonist)
- Catboy VS. Robo-Cat (tritagonist)
- Owlette and the Giving Owl (tritagonist)
- Catboy and the Great Birthday Cake Rescue (deuteragonist)
- Gekko and the Snore-A-Saurus (main protagonist)
- Looking After Gekko (main protagonist)
- Catboy and the Teeny Weeny Ninjalino (tritagonist)
- Catboy's Tricky Ticket (tritagonist)
- Gekko and the Missing Gekko-Mobile (main protagonist)
- Catboy's Flying Fiasco (tritagonist)
- Gekko's Stay-at-Home Sneezes (main protagonist)
- Gekko Saves Christmas (main protagonist)
- Gekko's Nice Ice Plan (main protagonist)
- Gekko and the Mighty Moon Problem (main protagonist)
- Clumsy Catboy (tritagonist)
- Catboy and Gekko's Robot Rampage (main protagonist)
- Owlette's Feathered Friend (tritagonist)
- Owlette and the Battling Headquarters (tritagonist)
- Gekko and the Mayhem at the Museum (main protagonist)
- Catboy Takes Control (deuteragonist)
- Owlette's Two Wrongs (tritagonist)
- Gekko Floats (main protagonist)
- Catboy's Two-Wheeled Wonder (tritagonist)
- Catboy's Great Gig (tritagonist)
- Owlette's New Move (tritagonist)
- Supersonic Owlette (tritagonist)
- Catboy and the Sticky Splat Slingshot (tritagonist)
- Owlette of a Kind (tritagonist)
- Beat the Drum, Catboy (tritagonist)
- Catboy Squared (tritagonist)
- Gekko's Super Gekko Sense (main protagonist)
- Owlette and the Owletteenies (tritagonist)
- Gekko's Blame Campaign (main protagonist)
- Owlette and the Moonflower (tritagonist)
- Slowpoke Gekko (main protagonist)
- Catboy and the Lunar Dome (tritagonist)
- Gekko and the Rock of All Power (main protagonist)
- Super-Sized Gekko (main protagonist)
- Take to the Skies, Owlette (tritagonist)
- Slow Down, Catboy (tritagonist)
- Gekko's Special Rock (main protagonist)
Season 2
- Moonfizzle Balls (tritagonist)
- Soccer Ninjalinos (tritagonist)
- Lionel-Saurus (main protagonist)
- Catboy's Cuddly (tritagonist)
- Night of the Cat (deuteragonist)
- Catboy Does it Again (tritagonist)
- Terrible Two-Some (main protagonist)
- Owlette's Luna Trouble (tritagonist)
- Ninja Moths (main protagonist)
- Who's Got the Owl Power? (tritagonist)
- PJ Pinball (main protagonist)
- Bounce-a-Tron (main protagonist)
- Wacky Floats (main protagonist)
- Romeo's Disguise (deuteragonist)
- PJ Robot (main protagonist)
- PJ Power Up (main protagonist)
- Moonstruck: Race to the Moon (main protagonist)
- Moonstruck: Lunar Fortress (main protagonist) Season 3
- Moon Madness (main protagonist)
- Armadylan and Robette Rule (tritagonist)
- Armadylan Zen (deuteragonist)
- Way of the Woofy (tritagonist)
- Werejalinos (tritagonist)
- PJ Comet (deuteragonist)
- Glowy Moths (tritagonist)
- Teacher Goes Ninja (deuteragonist)
- Robot Goes Wrong (deuteragonist)
- Lionel's Powers (main protagonist)
- Meet An Yu (deuteragonist)
- The Moon Prix (tritagonist)
- Pirates Ahoy! (deuteragonist)
- The Secret of the Pagoda (tritagonist)
- Storm of the Ninja (tritagonist)
- Arma-Leader (tritagonist)
- Owlette Slips Up (deuteragonist)
- The Splat Monster (deuteragonist)
- Moth on the Moon (deuteragonist)
- Fly Me To The Moon (main protagonist)
- Luna's Cosmic Tantrum (deuteragonist)
- Motsuki The Best (deuteragonist)
- Wheels of a Hero (tritagonist)
- Moonwolfy (main protagonist)
- Clash on Mystery Mountain (tritagonist)
- A Teeny Weeny Problem (deuteragonist)
- Take Romeo Off The Road (deuteragonist)
- Mission: PJ Seeker (main protagonist)
- Wolfy Powers (deuteragonist)
- Do The Gekko (main protagonist)
- Armadylan, Action Hero (deuteragonist)
- Super Muscles Show Off (main protagonist)
- The Prank Wheelz (deuteragonist)
- Where's The Wolf Wheelz? (main protagonist)
- Villain of the Sky (deuteragonist)
- Protector of the Sky (deuteragonist)
- The PJ Masks Save Christmas (deuteragonist)
- Romeo's Melody (tritagonist)
- PJ Robot Takes (tritagonist)
- PJ Sky Pirates (deuteragonist)
- The Disappearing Ninjas (tritagonist)
- Gekko Everywhere (main protagonist)
- Gekko Takes Charge (main protagonist)
- Big Sister Motsuki (tritagonist)
- PJ Party Crasher (deuteragonist)
- Master of the Moat (main protagonist)
- PJ Robot Vs Romeo (deuteragonist)
Gallery
Trivia
- In the children's book by french author Romuald Racioppo. In french dub Gekko's name is Gluglu.
- Luna Girl seems to have a crush on him, as seen in "Gekko Saves Christmas"
- In Gekko's Nice Ice Plan, He learns to stick up on the slipping ice but Catboy and Owlette just ignore his plan, but later they learned need to pay attention to him.
- Luna Girl has a crush on him.
 Heroes
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Bear in the Big Blue House PB&J Otter Rolie Polie Olie Stanley The Wiggles The Koala Brothers JoJo's Circus Higglytown Heroes Charlie and Lola Little Einsteins Mickey Mouse Clubhouse Handy Manny Imagination Movers 3rd & Bird Animal Mechanicals Special Agent Oso Jungle Junction Chuggington Timmy Time Jake and the Never Land Pirates Doc McStuffins The Bite-Sized Adventures of Sam Sandwich Sofia the First Sheriff Callie's Wild West Goldie & Bear PJ Masks Elena of Avalor Miles from Tomorrowland The Lion Guard The Octonauts Mickey and the Roadster Racers/Mickey Mouse Mixed-Up Adventures Vampirina Fancy Nancy Clancy T.O.T.S. Mira, Royal Detective | ||
