All I can really do is list them for you...

Episode A:
Exoticus
Industrious*(I think)
Mukamok

Episode B:
Raneforus
Stonar*
Deckstar

Episode C:
Ceramicus
Deserto*(Lizard)
Languacious

Episode X (HH'94)
Holidaus (In 3 tilesets)

Episode X(HH'95)
Candion*
Bloxinus

*=Has secret level

EDIT: I can do more actuly...
(I don't have hard or Turbo mode enemies though)
Enemies A:
Exoticus: Raven, Turtle on airboard (not like Crylisis)
Industrious: Turtle Tanks
Mukamok: Wierd Mukamokians

Enemies B:
Raneforus: Monkies, Still owl-moves you in the direction head turns
Stonar: Armored Armadillos, Hands that grab at you- pop up from the floor
Deckstar: Giant shooting turtles

Enemies C:
Ceramicus: jumping turtles...
Deserto: Lizards, Fire shooting devil(hard mode)
Languacious: Fish, Octopi

Enemies X'94:
Day: Sking turtles (same in Nippius), Giant bulldogs
Evening: recolored Raneforus monkies
Night: Xmas Spirits, recolored hand from Stonar

Enemies X'95
Candion: Rat King
Bloxinous: Green(follows path) and Red(chases you) Airplanes, Doll(One is disguised as an Airboard)