NES
Castlevania
Castlevania II Simon's Quest
Castlevania III Dracula's Curse

SNES
Super Castlevania IV
Dracula X

Enemy	Location
Arm Knight	Clock Tower (second quest)
Axe Knight	Tower of Terror, Causeway, Cliffside, Castle Courtyard, Main Hall & Inner Halls
Ball of Destruction	Alucard's Cave, Tower of Terror, Castle Courtyard & Inner Halls
Balloon Pod	Mad Forest
Bat	Warakiya Village, Murky Marsh. Sunken City, Underground Catacombs, Cliffside, Main Hall & Castle Keep
Bone Pillar	Warakiya Village, Mad Forest, Tower of Terror, Causeway, Castle Courtyard, Inner Halls & Castle Keep
Bone Scimitar	Clock Tower, Sunken City, Underground Catacombs, Castle Courtyard & Inner Halls
Dhuron	Haunted Ship, Cliffside & Main Hall
Fireman	Alucard's Cave
Fishman	Causeway, Sunken City, Underground Catacombs & Inner Halls
Fleaman	Warakiya Village, Causeway, Cliffside, Castle Courtyard & Inner Halls
Ghost	Warakiya Village & Haunted Ship
Ghostly Eyeball	Alucard's Cave
Harpy	Castle Courtyard & Inner Halls
Knight	Clock Tower, Tower of Terror, Cliffside & Main Hall
Mad Frog	Murky Marsh
Medusa Head	Warakiya Village, Clock Tower, Cliffside, Inner Halls & Castle Keep
Mud Man	Murky Marsh
Mummy Man	Alucard's Cave, Underground Catacombs & Cliffside
Owl	Mad Forest
Raven	Haunted Ship, Tower of Terror, Causeway, Castle Courtyard, Inner Halls & Castle Keep
Red Skeleton	Mad Forest, Haunted Ship, Alucard's Cave, Cliffside & Castle Keep
Red Skeleton (Whip)	Underground Catacombs, Castle Courtyard & Castle Keep
Robed Zombie	Main Hall (second quest)
Skeledragon	Sunken City
Skeleton	Warakiya Village, Clock Tower & Causeway
Skeleton (Bone Throwing)	Warakiya Village, Haunted Ship & Main Hall
Skeleton (Whip)	Mad Forest
Skull Head	Warakiya Village, Clock Tower, Cliffside, Inner Halls & Castle Keep (second quest)
Slime	Alucard's Cave & Main Hall
Spider	Mad Forest, Main Hall & Castle Keep
Winged Guard	Tower of Terror, Cliffside & Inner Halls
Zombie	Warakiya Village & Main Hall