Gotta Protectors/Enemies

Each enemy has a fourth rare version that is stronger than the normal kinds. They have a random chance of spawning from some generators. They also come in different types.
 * Powerhouses
 * Speed Freaks
 * Turret Spawners
 * Generator Spawners
 * Fire
 * Ice
 * Poison
 * Lightning
 * Barricade Pushers
 * Counterattackers

Item drops listed are from normal difficulty.

Dark Knight
Dark Knights are equipped with a sword and shield and have two health bars. When their first health bar is depleted, their shield is destroyed.

Demon
Demons move slowly and use elemental attacks.

Ghost
Ghosts warp around the map and shoot fire projectiles.

Goblin
Goblins are individually weak but they attack in large numbers. They attack with a club and some can throw projectiles.

Griffon
Griffons can fly over barricades and pick up Princess Lola. They also have a wind attack.

Lizard
Lizards move faster than goblins and attack with swords.

Minotaur
Minotaurs hit with punch attacks that can knock you back. When low on health, they will charge up for a strong punch.

Skeleton
Skeletons may spawn where a different enemy is defeated.

Succubus
Succubi generally stay near their generator and attack with projectiles when approached.

Vampire
Vampires spawn from generators that also move.

Werebear
Werebears throw projectiles including bombs, which can bounce over barricades. When they are damaged enough, they will become enraged and move and attack faster.

Zombie
Zombies move slowly and can attack with poison.