The Human Units category features the following heroes: 
Containment, S.W.A.T, Ghost Hunter, Samurai, Ghost, The Hunter, Spec Soldier, Shadow Kitty, Kitty, Warblade, S.W.A.T Commander, The Executioner, Rampage, Lucifer, Sage, The Gobbler, Doom, Bloodclaw, Corruption, Raijin, Nitro, Super Punch, Leonidas, Bad Santa, Neo Katana, King Darkskull, Love Light, Shadow Blade, Shadow Archer, Crazy Clown, Barbarian, Tomahawk, Smasher, Bone Doctor, Scorpio, Cryptarch, The Pharoah, Amun-Ra, Mr Hyde, Frosty, Bonk,
Lion Tamer, Fire Breather, Riptide, Blackbeard, Hazmat, Wednesday, Slasher.