Medievil - Book of Gallowmere

You will need all entires in the book for a trophy. More or less, you need to kill every type of enemy, read books through the levels and you should be good.

Friendlies

Sir Daniel Fortesque - Automatic Story Unlock
Morten the Earthworm - Automatic Story Unlock
Information Gargoyles - Automatic Story Unlock
The Heroes - Automatic Story Unlock
Merchant Gargoyles - It's your shop; so either on many levels or Hall of Heroes
Mr. Organ - The Hilltop Mausoleum – Just right of the boss room
Kul Katura - Scarecrow Fields – there is a chest after defeating the two Mecha Imps. Its snake type of ally which will help you beat up monsters.
Pumpkin Witch - The Pumpkin Serpent – At the start of the level on the left side you can find a witch cauldron. Use the Witch Talisman for which to appear. Talisman is obtainable in Cemetery Hills.
Jack of the Green - The Asylum Grounds
The Town Mayor - Inside the Asylum – you need to talk him at the end of the level
Forest Witch - The Enchanted Earth – a bit north from the start, then left, you can find a witch cauldron. Use the Witch Talisman for which to appear. Talisman is obtainable in Cemetery Hills.
Fairies - The Enchanted Earth – You need to talk to witch and enter bonus level. At start, just right smash the wall and you will meet fairy.
Elephant Dragons - The Lake – After jumping down the whirlpool somewhat later in the level
Chickens - The Haunted Ruins, at start
Captive Farmers - The Haunted Ruins, save them just a bit from start, kill shadows before they press floor device, turn off flames with your hammer and then press floor device.
King Peregrin - The Haunted Ruins, a bit later when you take the crown.
Vulture - The Time Device

Enemies

Zombies - The Graveyard - first enemy you uncounter
Severed Hands - The Graveyard – walking hands; you need club or hammer to smash them
Boulder Gargoyles - Cemetery Hill – automatic, reach top of the hill
Headless Zombies - Cemetery Hill – Either left side of Cemetery Hills (jump from the hill), or Return to the Graveyard; it's the headless zombies rushing towards you.
Imps - The Hilltop Mausoleum – at the start of the level
Graveyard Wolves - Return to the Graveyard; a bit later when you go through the gate
Scarecrow - Scarecrow Fields – start of level, tough ones
Mad Farmers - Scarecrow Fields – kill mad farmers that jump out from straw iglos.
Mecha Imps - Scarecrow Fields, automatic
Corn Killers - Scarecrow Fields – warewolf inside the corn fields. After second mecha imp, check for books and read them; one will give you this entry.
Bats - Scarecrow Fields; first house which you enter
Pumpkin Plants - Pumpkin Gorge
Pumpkin Bombs - Pumpkin Gorge
Rats - The Sleeping Village – you will need Club or Hammer to smash them
Townspeople - The Sleeping Village – speak to the first gargoyle on the left side of the level
Boiler Guards - The Sleeping Village
Mad Monks - The Asylum Grounds
Hedges - The Asylum Grounds
Head Bangers - Inside the Asylum
Dragon Toads - The Enchanted Earth
Poisonous Plants - The Enchanted Earth
Shadow Demons - The Enchanted Earth – nasty shadows which appear after puzzle after door for which you need Shadow Artifact to open.
Ants - The Enchanted Earth – They are part of bonus level; speak to witch to enter bonus level and find ants somewhat deeper there
Armored Knights - Pools of the Ancient Dead
Tentacles - Pools of the Ancient Dead
Mud Knights - Pools of the Ancient Dead
Ghouls - Pools of the Ancient Dead
Fish Monster - The Lake
Watchers - The Lake
Mellowmede Guardians - The Lake
Rhinotaurs - The Crystal Caves
The Condemned - The Gallows Gauntlet
Mummies - The Gallows Gauntlet
Serpent of Gallowmere - The Gallows Gauntlet – after walking through fire wall, open a chest and kill it.
Mace Knights - The Haunted Ruins
Stone Golems - The Haunted Ruins
Jabberwocky - The Ghost Ship
Pirate Crew - The Ghost Ship
Pirate Officers - The Ghost Ship
Flying Clocks - The Time Device
Flying Eyeballs - The Time Device
Fazguls - Zarok’s Lair

Bosses

Zarok - Cemetery Hill – automatic story unlock
Stained Glass Demon - The Hilltop Mausoleum
Graveyard Guardians - Return to the Graveyard
Pumpkin King - The Pumpkin Serpent
Dragon Bird - The Enchanted Earth
Demonettes - The Enchanted Earth, after getting Shadow Artifact so you can progress.
Queen Ant - The Enchanted Earth – You need to enter secret level by talking to witch. At the end this boss awaits.
Mean Old Dragon - The Crystal Caves – It's in the room bellow waterfall a bit later in caves. You need 2 Dragon Gems to call out the dragon.
Ghost Ship Captain - The Ghost Ship
Lord Kardok - Zarok’s Lair
Zarok Beast - Zarok’s Lair