Complete: at this point these heroes retain largely the same skills they do today, with of course tweaking on how the skills work.
Mostly Complete: at this point these heroes have had one/two of their abilities replaced between then and now.
Signature: at this point these heroes only had their 'signature' skill that makes them what they are, such as Rikimaru’s Permanent Invisibility. This is a subjective measure.
Remade: these heroes were completely remade by Icefrog. Their old selves are not listed.
Original: these heroes were made (and remade) during Icefrog’s tenure, the newest additions to our family!
Reign of Chaos Heroes: Juggernaut (Signature) – Blade Dance, Ulti Blade Fury Lich (Mostly Complete) – Frost Nova, Dark Ritual, Frost Armor
Heroes under Eul (with Kegsta, Fluffy_Bunny etc.): Original DotA Bone Fletcher (Mostly Complete) – Visible Windwalk, Strafe, Searing Arrows Crystal Maiden (Mostly Complete) – Crystal Nova, Frostbite, Small Brilliance Aura Dragon Knight (Complete) Juggernaut (Mostly Complete) – + Healing Ward Moon Rider (Mostly Complete) – Lucent Beam, Trueshot Lunar Blessing, Eclipse Magnataur (Signature) – Reverse Polarity Omniknight (Complete) Stealth Assassin (Signature) – Permanent Invisibility Sniper (Signature) – Non-Ulti Assassinate, Headshot Tormented Soul (Complete) Troll Warlord (Signature) – No-bash Berserker Rage
The Frozen Throne Heroes: Alchemist (Signature) – Non-Ulti Chemical Rage, Small Acid Spray Beastmaster (Signature) – Boar & Hawk Call of the Wild Neurbian Assassin (Signature) – Impale, Passive Spiked Carapace Pandaren Brewmaster (Mostly Complete) – Drunken Haze, Drunken Brawler, Primal Split Queen of Pain (Mostly Complete) – Shadow Strike, Blink, Scream of Pain Shadow Shaman (Signature) – Voodoo, Non-Ulti Serpent Ward
All-stars Heroes (TFT DotA 7.0, Darkness Falls DotA, TX DotA, DX DotA): ?-0.96b Broodmother (Signature) – Web, Spawn Spiderlings Death