Gadget HERO

Gadget Heroes, or G-HERO are a set of Warrior-Type monsters that are based off of superheroes. Each Gadget Hero has a once-per-duel effect that involves retrieving a G-Watch, an Equip Spell that is required to fully utilize each Gadget Hero. When equipped with a G-Watch, the respective Gadget Hero will usually gain an additional effect and can more importantly, Tribute itself while equipped with a G-Watch to Special Summon its respective Gadget Star monster from the Extra Deck.

Each Gadget Hero is named after a color and what it specializes in.