Elemental Heroes:
● Elemental Hero Absolute Zero
● Elemental Hero Air Neos
● Elemental Hero Aqua Neos
● Elemental Hero Avian
● Elemental Hero Bladedge
● Elemental Hero Bubbleman
● Elemental Hero Burstinatrix
● Elemental Hero Captain Gold
● Elemental Hero Chaos Neos
● Elemental Hero Clayman
● Elemental Hero Dark Neos
● Elemental Hero Darkbright
● Elemental Hero Divine Neos
● Elemental Hero Electrum
● Elemental Hero Flame Wingman
● Elemental Hero Flare Neos
● Elemental Hero Flash
● Elemental Hero Gaia
● Elemental Hero Glow Neos
● Elemental Hero Grand Neos
● Elemental Hero Heat
● Elemental Hero Ice Edge
● Elemental Hero Inferno
● Elemental Hero Knospe
● Elemental Hero Lady Heat
● Elemental Hero Magma Neos
● Elemental Hero Marine Neos
● Elemental Hero Mariner
● Elemental Hero Mudballman
● Elemental Hero Necroid Shaman
● Elemental Hero Necroshade
● Elemental Hero Neo Bubbleman
● Elemental Hero Neos
● Elemental Hero Neos Alius
● Elemental Hero Ocean
● Elemental Hero Phoenix Enforcer
● Elemental Hero Plasma Vice
● Elemental Hero Poison Rose
● Elemental Hero Prisma
● Elemental Hero Rampart Blaster
● Elemental Hero Shining Flare Wingman
● Elemental Hero Shining Phoenix Enforcer
● Elemental Hero Sparkman
● Elemental Hero Steam Healer
● Elemental Hero Storm Neos
● Elemental Hero Stratos
● Elemental Hero Tempest
● Elemental Hero Terra Firma
● Elemental Hero Thunder Giant
● Elemental Hero Voltic
● Elemental Hero Wild Wingman
● Elemental Hero Wildedge
● Elemental Hero Wildheart
● Elemental Hero Woodsman
Anime/Manga-Only Elemental Heroes:
● Elemental Hero Clay Guardian
● Elemental Hero Great Tornado
● Elemental Hero The Shining
http://yugioh.wikia.com/wiki/Elemental_heroes
Destiny Hero - Blade Master
● Destiny Hero - Captain Tenacious
● Destiny Hero - Dasher
● Destiny Hero - Defender
● Destiny Hero - Departed
● Destiny Hero - Diamond Dude
● Destiny Hero - Disk Commander
● Destiny Hero - Dogma
● Destiny Hero - Doom Lord
● Destiny Hero - Double Dude
● Destiny Hero - Dread Servant
● Destiny Hero - Dreadmaster
● Destiny Hero - Dunker
● Destiny Hero - Fear Monger
● Destiny Hero - Malicious
● Destiny Hero - Plasma
Anime/Manga Only Cards:
● Destiny Hero - Celestial
● Destiny Hero - The Dark Angel
Evil Heroes:
● Evil Hero Dark Gaia
● Evil Hero Infernal Gainer
● Evil Hero Infernal Prodigy
● Evil Hero Infernal Sniper
● Evil Hero Inferno Wing
● Evil Hero Lightning Golem
● Evil Hero Malicious Edge
● Evil Hero Malicious Fiend
● Evil Hero Wild Cyclone
Other Groups:
Assault Modes:
● Arcanite Magician/Assault Mode
● Colossal Fighter/Assault Mode
● Doomkaiser Dragon/Assault Mode
● Hyper Psychic Blaster/Assault Mode
● Red Dragon Archfiend/Assault Mode
● Stardust Dragon/Assault Mode
The Six Samurai:
● Chamberlain of the Six Samurai
● Grandmaster of the Six Samurai
● Hand of the Six Samurai
● Spirit of the Six Samurai
● The Six Samurai - Irou
● The Six Samurai - Kamon
● The Six Samurai - Nisashi
● The Six Samurai - Yaichi
● The Six Samurai - Yariza
● The Six Samurai - Zanji
Egyptian Gods:
● Obelisk the Tormentor
● The Winged Dragon of Ra
● Slifer the Sky Dragon
Sacred Beasts:
● Uria, Lord of Searing Flames
● Hamon, Lord of Striking Thunder
● Raviel, Lord of Phantasms
● Armitael, The Chaos Phantom
Exodia:
● Exodia Necross
● Exodia the Forbidden One
● Exodius the Ultimate Forbidden Lord
● Exxod, Master of The Guard
● Left Arm of the Forbidden One
● Left Leg of the Forbidden One
● Right Arm of the Forbidden One
● Right Leg of the Forbidden One
Earthbound Immortals:
● Earthbound Immortal Aslla Piscu
● Earthbound Immortal Ccapac Apu
● Earthbound Immortal Ccarayhua
● Earthbound Immortal Chacu Challhua
● Earthbound Immortal Cusillu
● Earthbound Immortal Uru
● Earthbound Immortal Wiraqocha Rasca
that sure was tiring.
EDIT:
For the guy above, Osillco Hero and Spherous Lady is not a Hero Monster, Osillco Hero has Hero in its name but that doesn't make it a hero.